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516 Cards in this Set
- Front
- Back
- 3rd side (hint)
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CEMS reporting methods? |
Direct Line Reporting (word-of-mouth), CAMS, Mail |
3 |
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Steady-speed aircraft taxiing is an example of? |
Newton's 1st Law (Inertia) |
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MOC |
Monitor/coordinate sorties, MX production, monitor fleet health, flying/MX schedules |
4 |
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CEMS functions |
Operational capability & cost-effective resource use |
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What is the 54H60-91 Selector Valve's purpose? |
Send hi-press fluid to spring side of LPRV & outboard dome piston side (while on speed) |
54H60-91 |
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Who do you need approval from to submit AFTO IMT 22's? |
Supervisor & TO Manager |
2 |
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The master synchrophaser board has a master & slave channel. Which props use these channels? |
2 & 3 |
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Minimum psi required to release FTR lugs? |
200 psi |
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Prop brake position on a stopped/grounded aircraft? |
Applied |
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T700 oil pump type? |
7-element gerotor |
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Engine operation below FLT IDLE means NTS systems are? |
Mechanically locked-out |
T56 |
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This provides block-by-block explanations on how to fill out 350 tags |
00-20-2 |
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C1 Stand height |
4' non-adjustable |
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3K56B30N; what is 'K'? |
Circuit function (specifically CTRL) |
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Pre-performance run, what system is calibrated with a minimum performance run using the performance calculator? |
Torque meter Indicating |
T56 |
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Auto-rotation is achieved on H60s by? |
Fully lowering collective pitch during DESCENT |
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Torque extension length is determined by distance between sq drive center &? |
Broached opening |
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Who manages the Repair Cycle System? |
Repair Cycle Support System |
Base Supply |
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What 2 factors help determine priorities? |
Force Activity Designator & Urgency Justification Code |
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B2 Stand Height? |
13-20' |
Dinosaur stand |
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Who is the FOD Prevention Program Manager? |
WG/CV (Vice Wing Cmdr) |
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What makes up the Np module? |
Turbine case, Np rotor stages, exhaust frame, c-sump housing, & Np driveshaft |
T700 (5) |
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Preservation of shipped components are req'd when being returned to depot or stored for more than? |
30 days |
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AE2100D3 ignition exciters' sparks per sec? |
4-7 |
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W/I how many hours must Cat 1 Deficiency Reports be forwarded to originating points? |
24 |
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Where can you find procedures for engine fuel component shipment prep? |
6J3-1-1 |
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What containers don't require warehouses? |
Fiberglass reinforced plastic & metal |
2 |
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Approx GPM PUAD Lube & Scavenge pump provides at TAKEOFF? |
5 |
AE2100D3 |
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Max voltage measured @ 3, 30, 300, or "none" on Fluke 8025A Multimeter? |
3.2, 32, 320, 1000 respectively |
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Torquemeter indicator calibration check is performed with engines running @? |
Low speed GND IDLE |
C130 |
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When calculating eng performance, don't use the OAT gage because? |
Probe exposure could introduce error |
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Why adjust the T56 TDV Null orifice? |
Eng starts hot/fast, cold/slow, OR a fuel ctrl is R2 |
C130 |
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Discontinuities as in ND-Testing are? |
Inclusions |
noun - "body/particle recognizably distinct from substance which it is embedded" |
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AE2100D3 CVG Actuator changes angles of what stator vane stages? |
1-5 |
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NOT a Lead the Fleet/Pacer (LTF/P) Adjective? |
Reducing customer wait-time for serviceable assets |
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4 sections of T56 Power Unit are: |
AGB, compressor, combustion, turbine |
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Who originates TO's? |
OEM |
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Fir-tree method of turbine bucket attachment is? |
Series of grooves/notches broached in rim of turbine rotor disc |
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What functions as an on-off ctrl for air supply sent to the T56 starter? |
Starter control valve |
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Where is the T700 oil filter bypass sensor switch located within the oil system? |
Fwd AGB |
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3K56B30N; 'B' means? |
Section/segment |
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What is RCM? |
Reliability Centered MX; Preventive MX |
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Break-in for overhauled GB wear? |
20 hrs |
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Velocimeters are secured to the fwd T56 RGB at what position? |
9 o'clock |
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Toxic materials get into the body easiest & cause rapid reactions in the form of? |
Gases |
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Most common circuit used in aircraft? |
Series/parallel |
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Overtemp damage to combustion chambers from stalls are caused by? |
Lack of cooling airflow |
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The "low oil" ACAWS msg occurs when eng oil drops below? |
4 GAL |
AE2100D3 |
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After removing theT56 turbine rear Scavenge pump & before removing the turbine-to-compressor tie bolt, you must perform a? |
Compressor rear bearing check |
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Special tool used for condition lever pull check? |
Spring scale |
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When should oil samples on reciprocating engines be taken? |
Prior to adding new oil |
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What gives you a visual of how systems & components relate? |
Schematics |
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When ambient temperature is <65°F & a patch is bonded to a blade fairing, what is the minimum drying time before running the prop? |
7 days |
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Ram air passing through the oil cooler is regulated via? |
Flap actuator |
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Temperature of compressed air in a jet eng must be raised to do what? |
Increase energy |
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What component is controlled by the FADEC through the eng START switch normally, or the T-Handles for emergency shut-downs? |
Latching Shut-Off Valve |
AE2100D3 |
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In case of failure trends that may cause accidents, Deficiency Reports are forwarded to? |
Higher HQ |
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What inspection concept translates flying hour utilization rates into calendar periods, usually in days? |
Isochronal |
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What is a DD Form 1577 & what are its variants? |
Condemned Tags; -1 (sold off), -2 & -3 (unserviceable/depot reparable) |
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What type of hourly inspection is the PE/periodic? |
Accrued/expired flying/operating calendar hours per TO |
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What pressure are the RGB pressure & scavenge oil system relief valves limited to? |
250psi |
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Type of HP w/i combustion chambers w/o reference to friction-loss w/i eng? |
Indicated |
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What comprises the MOF? |
1- MOC 2- Eng Management 3- MX Data Systems Analysis 4- Plans Scheduling & Documentation 5- MX Supply Liason |
5 |
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If throttles were moved from RVS to GND IDLE, which cam moves the gov'r pilot valve, increasing pitch? |
Beta Set |
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Properly installed nuts should have a minimum of how many protruding bolt threads? |
2 |
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2 CEMS status reporting categories? |
Eng/Modules & Tracked Components |
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What switch, w/i the multiple centrifugal switch assembly, stops C130 APU ignition? |
95% |
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If H60 eng & rotors AREN'T running, you can continuously operate APU to temperatures of? |
51°C |
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Turbine BLADE damage from an overtemp stall exhibits what pattern? |
Uniform trailing edge-to-root burn-off |
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Yellow harness purpose? |
Supply power & ctrl system trim signals |
T700 |
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Inputs HMU responds to? |
DEC, PAS, LDS, CIT (T2), CDP (P3) |
T700 (5) |
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What are the 6 fuel metering components of the HMU? |
1- Hi-press fuel pump 2- servo supply filter 3- metering valve 4- press-reg valve 5- shutoff valve 6- min-press valve |
6 |
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What are CRFs designed for & what support do they provide? |
Use existing repair centers for regional operation support |
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Where can you find LTF/P info? |
AFMAN 21-104 |
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"Normal Limiting" Potentiometer corrects for? |
Max TIT @ TAKEOFF |
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FTR Actuating Valve |
Assists FTR Solenoid w/ FTR + pilot valve position & mechanically actuated |
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What covers reporting requirements for improperly shipped engines? |
AFMAN 24-204 |
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FTR Solenoid Valve |
Route main pump press to FTR & pilot valves for FTR & electrically actuated via T-handles or FTR Condition Lever |
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When does the T700 Fuel Press Sensor close the Low-Press Caution Light circuit? |
Boost-to-filter press is ≤8.5 (±.5) psi |
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What cams does the Alpha shaft contain? |
1- Manual FTR 2- Beta Set 3- Speed Set 4- Alpha shaft rigging 5- Alpha Backup Valve |
5 |
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Backup Valve Cam & Degree Wheel Assembly is AKA? |
Protractor/Control Cam |
T56 |
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DR Cat causing SEVERE injury? |
Cat 1 |
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T700 History Counter stops when Ng drops below? |
55% |
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After installing a rig pin in the prop ctrl reel arm, during coordinator-to-prop rigging, what must you adjust if a 2nd pin DOESN'T fit in the intermediate bellcrank & into the RGB? |
Prop Ctrl Intermediate Link |
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FLT IDLE for the T700? |
100% Np & 0% Tq (Descent/Cruise) |
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3 Occasions when Special Inspections are required? |
Accrued FLT hrs, Calendar time lapse, Post-unusual conditions |
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This cam cancels the Beta Set Cam command & stops blade movement at the proper blade angle. |
Beta Follow-up |
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5 Small Gas-Turbine (SGT) bleed-air usages? |
ATM, nacelle preheating, bleed air, eng start, cabin pressurization & a/c |
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On a dual-spool compressor, N2 (aft) Comp Rotor rpm is determined by? |
Fuel Control |
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Inspection performed on all newly assigned aircraft? |
Acceptance |
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Spalling & galling difference? |
Spalling = flaking of metal Galling = transfer of metal |
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Approx how many degrees will each full turn of the Low Pitch Stop change blade angle? |
3° |
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# of scavenge screens on T700 AGB? |
6 |
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Bearing parts striking together can cause? |
Nicks |
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T56 Turbine sec weight is supported by? |
1 piece outer-combustion case |
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Acceleration Ctrl Valve compares what 2 inputs for Wf during APU acceleration? |
Fuel Press & CDP |
C130 |
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When installing the Ctrl Assembly, how much should you loosen each Beta Shaft adjustment screw? |
1 turn counter clockwise |
T56 |
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What TCTO Cat corrects hazardous conditions that WILL result in fatality or serious injury? |
Immediate Action |
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During NORM GOV, what stabilizes the prop gov'r during rapid throttle movement? |
Throttle Anticipation Circuit |
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What is the Hi-press Relief Valve's limit & where does it send fluid past this limit? |
+1300psi of press-sump to press-sump |
T56 |
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Type of turbine wheel on C130 APU? (centrifugal) |
Radial Inflow |
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When are HSC inspection requirements to be accomplished? |
Return from long-range missions or expiration of short-term calendar intervals |
2 |
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During an overspeed or under speed, what prop gov'r part moves the pilot valve? |
Overspeed = flyweights Under speed = speeder spring |
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When the eng is operating at FLT IDLE or above, what preset Tq must be exceeded to actuate the NTS Actuator Rod? |
-1260 in/lbs ±600 |
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What component contains the AC Gen on a GTC outfitted C130? |
Air Turbine Motor |
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Troubleshooting: Drop in APU bleed air press, or TIT rise on another eng when the START switch is pressed... |
Air is reaching the starter |
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O&M TO Examples? |
On Equipment Organizational MX Manuals, FLT Manuals, Work Packages |
3 |
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Supply document monitoring due-outs & their status? |
D18 |
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Which cam disarms the NTS system linkage when throttles were positioned in the beta range? |
Manual FTR |
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Stationary compressor stator vanes are used to? |
Increase pressure |
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What AFMAN describes supply procedures? |
23-110 |
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T56 Ignition Exciter output from 28VDC? |
23Kv @ 5-12 sparks per sec |
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"An unbalanced force on a body produces or tends to produce acceleration in the direction of that force..." |
Newton's 2nd Law |
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What do the Bias & Slope Potentiometers correct for? |
Out of balance TIT in Temp-Ctrl Range |
T56 |
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Turbine nozzle-vane deterioration from overtemps in a NON-STALL begin at what vane part? |
Middle leading edge |
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During START, what does Secondary Fuel Pump Pressure Light illumination mean? |
Both Primary & Secondary Fuel pumps operating in Parallel |
T56 |
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FTR Valve |
Combine Main, Standby, & Aux Pump press for NTS & FTR Conditions |
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What's a D23? |
Repair Cycle Asset Management Listing: Monitors DIFM parts |
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During C130 Turbine overheat, what current flow interrupting device flashes the T-Handles? |
Keyer Unit |
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During AIR START, what overcomes brake-apply-spring force & releases the prop brake? |
Eng oil pressure |
(Which makes no sense, but that's what the book says) |
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3 common carbon seal preloads? |
Air press, spring, centrifugal force |
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When are you required to enter Type, Model, Series, & Serial # on a 2005? |
When an item is NMCS (Not Mission Capable Supply) or PMCS (Partially Mission Capable Supply) |
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3 Common causes of comp sec failure? |
Blade fails, FOD, rotor shift |
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Pitchlock assembly can prevent overspeeds under what 2 conditions? |
Lack of hydro-press OR 103.5%+ rpm |
54H60-91 |
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What valve combines both Main & Standby pump output? |
FTR Valve |
54H60-91 |
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Shroud covers have how many layers? |
3 |
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# of overheat detectors in T56 nacelle? |
6 |
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TO Warnings identify what? |
Potential personnel injury |
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In a turboprop, what HP measures useful work? |
Brake HP |
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You can identify jet eng fluid system lines by? |
Coded bands |
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How does a turboprop produce thrust? |
Accelerating large mass of air through small velocity change |
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Backup Valve purpose? |
Route fluid to pilot valve for Low Pitch Stop release, UNFTR, & RVS |
54H60-91 |
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What comprises the MOS? |
MOF, MTF, PRF |
3 |
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# of AE2100D3 Thermocouples? |
16 |
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4 types of machine head screw? |
Round, flat, fillister, socket |
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Measurement Vernier Scale provides? |
Ten thousandths of an inch |
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What is an M30? |
Monthly due-out validation listing |
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C130 APU gov'r takes over at? |
95%+ rpm |
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Squadrons forming MXG? |
MOS (+QA), MXS, AMXS |
3 |
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3 inspections relevant to isochronal concept? |
Major, minor, HSC |
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2 Squadrons MXS may be divided into? |
CMS & EMS |
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Op ck ensuring slave prop follows master prop? |
Synchrophaser |
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Synchrophaser Indexing ensures what? |
MECH GOV & NORM GOV relationship |
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# of AE2100D3 fuel nozzles? |
16 |
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C130 switch having spring-loaded guard to NORM? |
Prop Gov'r Ctrl |
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4 items an ETF FE is responsible of? |
Free Air Temp, Tq, Press-Alt, TGT |
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The T56 power section & RGB oil systems are joined at? |
External scavenge oil filter |
(which is why eng oil press releasing the prop-brake makes no sense) |
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2 bleed air leak signs? |
Low-power & overheat |
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Who does QA work for? |
MXG commander |
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Serviceable items received from supply have a DD Form? |
1574 |
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In beta range, what cam helps center the gov'r pilot valve? |
Beta Follow-up |
T56 |
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B1 stand height? |
3-10' |
Stairs |
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During T56 AIR START, how long is the prop brake applied? |
Until eng speed hits 23% or 2900 rpm |
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What delivers actual prop blade angle from blade to ctrl assembly? |
Beta Feedback Shaft |
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Equipment Authorization Inventory Data items requiring formal supply accountability are? |
Custodian Authorization/Custody Receipt Listing |
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Pitchlock Regulator |
1- Restricts overspeeds 2- xfer fluid through dome piston 3- lock pitch between 25-55° blade angle |
T56 |
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During FTR, the FTR Valve sends fluid to where? |
Fwd end of dome piston |
aft piston movement = INC blade angle |
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Depot level support |
Contract Field Teams (CFT) Depot Field Teams (DFT) |
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A cold compressor stall that occurs at low rpm & has a slight overtemp |
Incipient Stall |
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Bearing failure from moisture, lacking protective oil, & improper handling/storage could cause? |
Corrosion Pitting |
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What will the TDV do if there's an open circuit between the Coordinator & TDA? |
Go 'Full Take'; pwr loss |
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What monitors AE2100D3 spark rate in its ignition exciters? |
Nacelle Interface Unit (NIU) |
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5 Supply Docs we use? |
D04, D18, D23, M30, & MSD DIFM Report |
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This is NOT an inspection phase. |
Home Station Check (HSC) |
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Standard Day Conditions at Sea Level? |
Temp 15°C, Air Press 14.7psi, Air Density .0765 lbs/ft^3 |
Air Temp, Press, & Dense |
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To be in NORM GOV mode, the Prop Gov'r Ctrl Sw must be in NORM in addition to what other 2 conditions? |
FLT IDLE or above, & Synchrophase Master Sw in OFF |
54H60-91 |
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Speeder Spring tension has the Pilot Valve keep what Beta rpm? |
109-113% |
54H60-91 |
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What psid will the FPMU Bypass open? |
750psid |
AE2100D3 |
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If pitchlock doesn't occur when performing Fuel Gov'r & Pitchlock ck, what component is the primary cause? |
Stationary Pitchlock Ratchet |
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Prop brake positions |
Applied & released |
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Pump supplying pressurized fuel for H60 APU operation at high altitudes? (Actually always lol) |
Prime/Boost |
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AFTO Form for recording R2 of engine accessories? |
95 |
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Depot MX Provides support to base level tech by? |
Providing tech assistance performing repairs beyond our capability |
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What C130 APU component calibrates EGT Indication to the thermocouple? |
Thermocouple Resistor |
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3 major sections of turboprop engines are? |
Power unit, Torquemeter assy, & RGB |
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# of systems comprising T700 Eng Ctrl Sys? |
3 |
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What forces Low Pitch Stop (LPS) levers outward? |
Movable Wedge |
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When performing the MECH GOV Adjustment, how many clicks & what direction would you tunr the adjusting screw to decrease rpm 1.5%? |
6 clicks, counterclockwise |
± .25% per click |
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To access the anti-backlash adjustment screw, you must rotate the? |
Ctrl Input Lever to RVS |
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Which part of a 244 may the 245 (Continuation Sheet) be used for? |
Part V |
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When calculating RVS blade angle limits during prop hydro testing, the range of the dome piston stop ring is between? |
100° & 102° |
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When operating an installed aircraft engine, the aircraft is positioned so wind is blowing into the? |
Intake or w/i 30° of it |
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For prop balancing, what prop component are the weights added & removed? |
Hub Mounting Bulkhead |
54H60-91 |
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Measurement used to install a T56 turbine-to-compressor tie bolt is? |
Turbine Rotor Front-of-Vane Clearance |
|
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Data assisting in finding mechanical failures & quality of useful oil-life? |
Spectrometric & Physical Property Testing |
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If the #4 eng RGB was replaced you must bleed? |
The Booster Hydro System |
C130 |
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LTF/P program purpose? |
Determine distress modes of engines & its subsystems in the field |
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Current limiters are used in what type of circuits? |
> 30 Amps |
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What sw in the Control Quadrant activates the Gov'r Speed Bias Servo when throttles move to the FLT IDLE gate? |
Synchrophaser Disarming |
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During Fuel Gov & Pitchlock ck, throttle must not go below what rpm to prevent flameout? |
96% |
T56 |
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Source of hydrocarbons? |
Jet fuel, solvents, lube, benzene, toluene, petroleum jelly, PD-680, etc |
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T700 Scroll Vanes are Anti-Iced by using? |
Hot scavenge-oil |
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# of T700 CVG Actuating Rings? |
3 |
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What collects & stores CEMS information? |
Central Databases |
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T700 thermocouple harness |
1-piece assy w/ 7 single-immersion probes |
|
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A shipping container, storing an engine/module, will be sealed & pressurized to what psig with dry air or nitrogen? |
5 ±1 psig |
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TO for hose installation? |
1-1A-8 |
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Manual used by MX Personnel for isolating & rectifying system or component malfunctions? |
Fault Isolation |
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Shaft delivering speed of the Power Unit to the AGB on the T56? |
Compressor Extension Shaft |
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After combustion, resulting hot gases flow through the bottom of a C130 APU combustion can into the? |
Turbine Torus Assy |
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What borescope part illuminates the interior of an area? |
Distal Tip Light Guides |
|
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What type of bolt should be used where shearing stress occurs? |
Clevis |
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# of priority systems does Base Supply uses when responding to customers? |
2 |
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Primary objective of an Eng Reporting System? |
Maintain timely & accurate engine inventories |
|
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What is RCM's goal? |
Maximize Eng Time-on-Wing & minimize MX |
2 |
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5 Signs of Compressor Stall? |
1- popcorn Sound 2- TIT/EGT rise 3- Thrust/Pwr loss 4- Wf fluctuations 5- RPM drop |
|
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What 2 Alpha Shaft Cams control prop UN-FTR? |
Manual FTR & Beta Set |
|
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A storage time period must be assigned to ensure this item will perform satisfactorily over a specified period of time. |
Shelf-Life |
|
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What type of instrument is a Tachometer Indicator? |
Electric-magnetic drag type |
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Approx Tq lost per open 5th-stage T700 Compressor Bleed Valve? |
387 in-lbs |
|
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4 Toggle Switch types? |
SPST (Single Pole Single Throw) SPDT (Single Pole Double Throw) DPST (Double Pole Single Throw) DPDT (Double Pole Double Throw) |
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Perspective Global Logistics Support Center manages supply? |
Weapons System |
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3 Questions to verify high oil temps? |
"Is RGB Oil-press higher than normal compared to other engines?" "With the Oil-Cool-Flap Sw in AUTO, does it go full-open?" "What is oil-temp at Cruise (high) Alt?" |
C130 |
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During Hydro-Tester FTR angle setting test, each blade's FTR angle must be w/i how many degrees of 92.5° FTR angle setting? |
.2° |
54H60-91 |
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How can TCTO's be quickly identified? |
"505" in 3rd section of TO # |
|
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LONGEST calibrated movement between spindle & anvil of an outside micrometer is? |
1 inch |
|
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This helps distinguish between Turbine-Rotor-Disc Impact & Overtemp damage. |
Necking Down |
|
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RCSS needs what 350 tag part? |
Part II |
|
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LPS does what 2 things? |
1 - Stop alpha-to-beta prop angle 2 - stop the Dome Piston from decreasing blade angle below 23.3° ±.5 w/o stop levers retracted |
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Fluid used to preserve eng fuel system past 180 days? |
MIL-L-6081 Grade 1010 Oil |
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Common methods used to secure turbine blades to the rotor disc? |
Riveting, Peening, & Lock-tab |
3 |
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T700 operating ranges? |
GND IDLE/Start, TAKEOFF/Climb, FLT IDLE/Cruise/Descent |
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2 methods to test parts |
Mechanical & NDI |
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Bolts less than 1/4" are specified by? |
Number sizes |
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AE2100D3 Torquemeter Assy is comprised of what 4 things? |
Shaft, Reference Shaft, Housing, & Anti-Ice Shroud |
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# of Turbine Vane Extenders welded to inner circumference of exhaust nozzle on AE2100D3? |
7 |
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Purpose of Circuit Protective Devices? |
Protect electrical ports/wiring from amperage overload |
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This program ensures safe & healthy working conditions for AF employees. |
AFOSH |
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3K56B30N; what is '30'? |
Wire Size |
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Areas Global Logistics Support Centers (GLSCs) manage? |
Aircraft, Engines, Comms, Test Stands, AGE, Vehicles, Pods, etc |
8 (literally everything AF MX uses) |
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After the NTS Actuator Rod moves mechanical linkages in the Valve Housing for a NT Condition, what component is shifted? |
FTR Valve |
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All FLT inspections should/are performed IAW what TOs? |
'-6' |
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What happens if there's an open circuit between the TDA & Thermocouples? |
NOTHING! |
T56 |
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The HMU doesn't have a? |
Fuel Discharging System |
That's what the ODV is br0 |
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Most common component shipping container? |
Cardboard Box |
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Fluids use to preserve jet eng fuel & oil systems for more than 24 hrs but less than 180 days? |
fuel & oil |
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What are the 2 MAIN types of corrosion? |
Electrochemical/Galvanic, Direct Chemical |
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Between 25° & 55° blade angle, what keeps the rotating & stationary ratchets disengaged? |
Increase OR Decrease pitch pressure (whichever is highest) |
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FIRST condition to look for when troubleshooting no-lightoff conditions? |
Fuel mist in the exhaust |
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How is screw length measured? |
Head to threads |
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2 functions of 54H60-91 Differential Gear Train? |
Drive Prop Gov'r & transmit blade angle to Valve Housing |
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Corrosion doesn't normally occur under what relative humidity? |
40% |
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Who maintains & reports CRF accountability & status? |
Production Supervisor |
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What effect does the divergent design of a diffuser have on air pressure? |
Increases Pressure |
Decreases velocity
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When removing the shipping container lid, how much are the turn-lock fasteners turned? |
1/4 turn |
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Type of bolt for high-tensions? |
Internal Wrenching |
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Standard Day Conditions @ 40° Latitude are what 4 measurements? |
1 - 0 Alt 2 - 29.92 inHg Atmos Press 3 - 59°F/15°C Air Temp 4 - 32.174 ft/sec^2 Gravity |
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In the C-130 APU Multiple Centrifugal Switch Assy, @ what rpm is each switch actuated? |
35%, 95%, 110% |
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Difference between incipient & thermal stalls? |
Incipient = cold & quiet + slight overtemp & lower rpm Thermal= hot & rumbles, vibrates, higher rpm (w/ greater drop) & spiking overtemp |
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Where are the upper & lower comp-bleed valves mounted on the AE2100D3? |
10th stage |
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T56 FLT-Range rpm? |
13,820 |
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How would you know if a T56 Secondary-Fuel Pump failed? |
Secondary Pump Pressure Light extinguishes @ Parallel Mode during NEXT engine start |
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A 1% rpm indication error will result in what % performance error? |
.45-.9% |
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Valve routing Main Pump pressure to hydraulically move the FTR & Pilot Valves? |
FTR Solenoid |
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Overspeed setting allowing the ratchets to engage? |
103.5% |
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HSC (Home Station Ck) |
TO calendar intervals from the last HSC/ISO |
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Good way of checking an indicator (TGT, TQ, Oil Press, etc)? |
Swapping w/ a good indicator |
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3 types of stress causing machined parts to fail? |
Shear, Compression, Tension |
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# of priorities in DPS (Delivery Priority System)? |
6 (1=Highest, 6=Lowest) |
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PSI range the Servo Valve is unseated, allowing LPS Wedge to move? |
240-280psi |
T56/54H60-91 |
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2 Components serving as grounds for the Prop FTR Override Button Holding Coil? |
PCS & PCBS (Pressure Cutout Sw & Press Cutout Backup Sw) |
54H60-91 |
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During C130 Engine Throttle Ctrl Rigging, if the Coordinator Pointer Split-Line doesn't align w/i 5° of the Yoke Split-Line on the Gimbal Lower-Pulley? |
Disconnect Condition Ctrl Links & remove Lower Gimbal-Pulley from Coordinator Shaft |
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When does the Alternator Stator supply operating power to each Exciter on the AE2100D3? |
10% ≤ Ng |
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RGB Front Case |
Case Ring Gear Planetary Gears (5) Sun Gear Prop Shaft NTS Plunger NTS Actuator Rod NTS Spring Main Press/Scav Oil Pump Nose Press/Scav Oil Pump |
10 |
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T56 Start Limiting Potentiometer allows max-start TIT of? |
820°C |
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Prevents Stationary & Rotating Ratchet Engagement @ blade angles below 25° & above 55°? |
Pitchlock Ctrl Cam |
'Cammed Out' |
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When C130 APU has load applied & EGT exceeds its limit, how does the Pneumatic Thermostat correct it? |
Bleeds air from Load Ctrl Actuator, causing LCV closure, reducing EGT |
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What actuates the Sequencing Oil Pressure Switch? |
2-3psi APU Oil Pressure |
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T700 Green Harness purpose? |
Eng Diagnostic Signals |
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When Control-Winding voltage differs from reference-winding voltage in the Speed Bias Motor, what results? |
SBM rotates clockwise, increasing pitch, or counter-clockwise, decreasing pitch |
54H60-91 |
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Reason for Routine TCTOs? |
When deficiencies WOULD cause an issue over time, but not immediately |
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Max Normal Limiting TIT presets on -7 & -15 T56? |
-7 = 971°C, -15 = 1077°C |
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The 2 FLTs I, as an Engine Troop, may be attached? |
Propulsion (AMXS) or MX (MXS) |
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Months in AF before ALS? |
48 |
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Halogen Derivative? |
Fire Extinguishers |
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Pin used in joints carrying shear loads where absence of clearance is essential? |
Tapered Pin |
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# of revolutions you'd turn a Micrometer Thimble to read .025" |
1 turn |
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Temp setting for T56 Nacelle Overheat System? |
300°F or 149°C |
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T56 Hi-Speed GND IDLE? |
13,500 rpm |
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350 Tag blocks completed when items cannot be sent to an RPC due to size or something else? |
16, 17, 18 |
3 |
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What happens if there's a short-to-ground between the Thermocouples & TDA? |
TDV goes FULL 'PUT' resulting in Overheat |
T56 |
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TO covering inspection of aircraft engine after an accident or being dropped? |
2J-1-19 |
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During Prop FTR, approx what psi are the Pressure Cutout Sw Contacts opened? |
600-800 |
54H60-91 |
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When you are assigned to an A(ircraft)MXS as an Engine Troop, what FLT will you likely be attached? |
Specialist |
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What is the LH Mag Pulse Unit on the Dowty Prop? |
1 Pulse Per Rev to NIU for Prop Dynamic Balancing |
AE2100D3 |
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What component, mounted aft of the Oil Cooler, creates low pressure in front as air flows through? |
Ejector |
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How does an C130 APU Hour-Meter function? |
≥ 95% rpm it records |
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When starting a 2nd engine with another, why do the 1st engine's thermocouples register an increased temp? |
Cooling bleed-air is drawn from the 1st to start the 2nd |
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What do stars w/ numbers inside identify in Fault Iso Guides? |
Circuit testing points |
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What is an MSD DIFM Report? |
Material Support Division Due-In From MX Report: Gives senior managers DIFM part info while in repair over user-defined period while typing large funds & helps avoid penalties & ck Repair Cycle Health |
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Form submitted for 1st-time-request part that will become recurring & needs its stock level adjusted? |
AF IMT 1996 |
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For how many categories does CEMS maintain records? |
2 |
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Newton's 1st Law says & defines? |
"A body at rest stays at rest; a body in motion stays in motion, unless externally acted upon", defining inertia |
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Newton's 2nd Law states & defines? |
"An unbalanced force on a body produces acceleration in its own direction & is directly proportional to force & inversely proportional to mass" Using the same force on 2 differently massed objects will produce less acceleration in the object w/ higher mass |
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Newton's 3rd Law states & defines? |
"For every action there is an equal & opposite reaction", thrust production |
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Which static prop adjustment coordinates Beta Feedback gearing with the Beta Shaft in the Valve Housing? |
Backup Valve Blade Angle Indicator |
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What components in the Synchrophaser Unit receive, compare, & modify input signals to control the Speed Bias Motors? |
4 Power Amplifier Boards |
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On the T56 -7 Turbine Rotor Wheels, are the blades shrouded or unshrouded? |
1st & 2nd stages shrouded, 3rd & 4th stages unshrouded |
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After how many FLT-hrs must you perform a PE on T700s? |
500 |
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3K56B30N; '3' means? |
Eng Position/Unit # |
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What gauge would be used to measure the clearance between 2 surfaces? |
Thickness |
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Specialized function of the Supply Mission? |
Disposal |
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After air is drawn into the guide vanes of a centrifugal compressor, it's subjected to? |
Rotational & centrifugal forces |
(which apparently don't exist)
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What type of pin is used in conjunction with a Cotter Pin or Safety Pin? |
Flathead Pin |
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After inserting the 1st Rig Pin through the Intermediate Bellcrank when rigging the Control Input Lever at FLT IDLE, insert a 2nd Rig Pin into the FLT IDLE slot of the Control Input Index Plate. If a 2nd can't be freely inserted, adjust? |
Prop Control Rod |
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The purpose of the AE2100D3 Oil Cooler Flap is to vary airflow through the Oil Cooler to keep Eng Oil Temp @? |
60-86°C |
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ET & D's primary goal is to prevent/limit turbine engine damage by? |
Early detection of performance degradation/failures |
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If blade damage was due to impact, you must remove an additional? |
.002" |
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Technicians providing MX Activity Data to the ET & D program? |
Propulsion & NDI |
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What valve sets & maintains a pressure differential approx 100 psi between system pressure & increase/decrease pitch pressure? |
Low-Pressure Relief |
54H60-91 |
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What is the hydro fluid leak limit from the Prop Control Assy, running/static? |
1 drop every 45 sec (4oz/24hrs) |
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Emergency oil sumps on the T700? |
A & B |
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What happens if an aircraft exceeds programmed depot-MX by 90 days? |
Red / = red X |
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What is the total current of a Parallel Circuit? |
Sum of Amps flowing in each individual circuit |
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A Type I Shelf Life Item is an item with? |
A non-extendable shelf-life that is either destroyed or sent to DRMO |
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Who do you report damaged flightlines to? |
Base Airfield Manager |
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When is a safety net used? |
25' up + |
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Oxygen derivatives? |
Alcohol, Antifreeze, Methylethylketone (MEK) |
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How is ctrl sys operation split between the DEC & HMU? |
Functionally |
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When is an In-FLT ck needed to establish minimum eng pwr requirements & ETF? |
Eng installed/reinstalled OR Failed HIT ck not for AISBV/Dirty Compressor |
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How far does a prop's axis of rotation extend? |
10' fwd & 5' aft |
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If you must torque a sequence of 3 or more bolts? |
Use a staggered sequence |
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Actual amount of water vapor in a mixture of air & water is? |
Absolute Humidity |
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TO divided into task covering particular MX action? |
Job Guide (JG) |
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What FLT of an Equipment MX Squadron will you be likely attached as an engine troop? |
MX |
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2 factors determining weight needed to dynamically balance a prop? |
Prop Angular Position & Magnitude of Vibration |
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Lead the Fleet/Pacer (LTF/P) Program |
Accelerated missions to mature select engines, modules, LRUs, SRUs, & subsystems |
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What form would you use to order an engine part? |
AF IMT 2005 |
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The HH60 ESU reads major APU parameters every? |
50 msecs |
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AFI defining quality MX & req'ing personnel to display integrity & comply w/ all written guidance? |
21-101 |
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T62 horsepower? |
90 |
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CRF (Centralized Repair Facilities) provide support for? |
War Fighters |
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Never use oil as an aid to installation of what hoses? |
Self-Sealing |
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To document engine TCTO Statuses, use AFTO Form? |
95 |
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How is the AE2100D3 Starter Ctrl Valve actuated? |
Electrically |
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What does the 5th position of the AFSC represent? |
Specific AFSC |
--------v-- 2A6X1H --------^-- |
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Type of Compressor Rotor Assy used on the AE2100D3? |
14 Stage Axial Flow |
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LPS (Low Pitch Stop) |
Prevents Beta (GND) Prop movement when throttles are in the Alpha(FLT) Range |
T56 |
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When attempting to un-FTR the Prop, where do you position the throttles? |
Above FLT IDLE |
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Standard Atmospheric Press? |
14.7psi |
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TO covering all info on the AFTO system? |
00-5-1 |
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Law summarized as, "action & reaction"? |
Newton's 3rd Law |
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Equipment Authorization Inventory Data Item (EAIDI) examples? |
Individual, Special/Project, & Organizational |
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Carrying a hand tool in your pocket is potentially dangerous because it can cause? |
Self-Injury |
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2 Gears making up 1st Reduction Stage of RGB? |
Pinion Input & Main Drive |
T56 |
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Type of turbine normally used in gas/turbine engines? (NOT AXIAL/CENTRIFUGAL) |
Impulse-Reaction |
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When a CRF ships replacement parts to a deployed unit, who is responsible for completing all appropriate documentation? |
CRF Personnel |
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Inspection Hourly Post-FLTs augment are? |
BPOs (Basic Post-FLTs) |
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Form to submit for adjusted stock levels? |
AFT IMT 1996 |
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What is a 1575 tag? |
Suspended/Awaiting Parts/MX |
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Principle of physics depending upon magnetic field, electrical conductors, & relative motion? |
Electromagnetic Induction |
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IPB section w/ code definitions |
Introduction |
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Igniter plug fouling is prevented in combustion sections by? |
Directing air around plug electrodes |
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TCTO w/ border of alternating red diagonals & x's |
Urgent action |
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Opens & sends T700 oil to AGB on cold starts |
Cold Oil Relief Valve |
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Directs Pitch Ctrl Unit metering of fine/course pitch oil for 1020.7rpm in-FLT |
FADEC |
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Time new equipment-account custodians should receive training |
Before signing account |
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Optimal safety-wire twists per inch |
8-10 |
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Avg air/fuel ratio |
14.7:1 |
book says "50:1" wtf
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Crack is not a sign, isn't always a defect, & defects might not be rejected |
Discontinuity |
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Overall Engine Life Mgmt Plan |
Pacer supported |
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3 connectors used in any system regardless of pressure |
1 - flared 2 - sleeve 3 - swag |
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C-130J Synchrophasing System maintains what phase & speed limits? |
+/- 2deg Phase AND Prop RPM +/- 1 |
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Most common cause for fire-warning/overheat indication |
bleed-air leak |
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What pulls nacelle cooling air into the AE2100D3's exhaust? |
Gap between tailpipe ejector & exhaust nozzle |
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Transfers piston/shaft movement to vary R391 blade angle |
Operating pin |
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What can you do to make sure an ACFT is safe pre-MX? |
Ck w/ nearby personnel |
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What do C-130 beta-lights indicate, & when do they extinguish? |
15° |
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Component bleeds air pressure away from C-130 APU on start/acceleration |
Acceleration Ctrl Diaphragm |
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Definitions of inspection defects/criteria are found in? |
Intermediate MX TOs |
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Deicing cycle for 54H60-91 |
15sec on/45sec off |
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ACFT/Eng indication useless to calculating T700 performance |
Fuel flow (Wf) |
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Minimum safe distance behind ACFT exhaust |
200' |
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CFETP purpose? |
Career Field Education & Training Plan - career training guidance |
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Positions C-130 APU intake door opens to on-GND or in-FLT? |
GND - 35° FLT - 15° |
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1st section of TO number |
Category & ACFT mission type |
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Water vapor ratio actually present relative to saturated air in current atmospheric conditions |
relative humidity |
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Common hazardous waste disposal method |
dilution |
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Engine storage requirements in metal containers |
nitrogen pressure |
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What retains the T56-A-15 1st Stage Turbine buckets? |
cover plate seals |
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6 Commander-driven Mx Ops Sqd tasks |
1 - Admin 2 - Analysis 3 - Training 4 - Mgmt 5 - Programs 6 - Resources |
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Authorized direction/instruction or 1-time insp |
TCTOs |
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781H box w/ highest symbol in 781A |
6 |
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Diameter of bolts are measured at? |
Grip |
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Number of AE2100D3 eng mount structures |
2 |
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T700 A-sump output shaft mounting surfaces? |
#1 & #2 bearings |
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Bearing defects from small FOD lodged between rollers can cause |
grooves |
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Gasoline & kerosene make up |
JP8 (standard jet propellant) |
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Transport constraints & customer wait-time |
Drive Centralized Rotable Pool creation |
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AFOSH standards |
AF 91 series |
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Condition Control (CTRL) Link length |
4.5" |
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PAS advanced to 26deg during T700 eng-start opens |
Fuel Stopcock |
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AFI on reflective material, mx stands, & lifting devices |
91-203 |
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Document for reviewing doc-numbers processed during the day by SBSS (Standard Base Supply Sys) |
D04 (Daily Document Register) |
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AC pwr phase sent to 1st 7" of T56 front spinner & afterbody |
A phase |
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AFMAN 23-110 details what form? |
AF 2005 |
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5 common mx stands |
1 - C1 2 - B1 3 - B2 4 - B4 5 - B5 |
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Static prop ck adjusting beta-feedback linkage to center gov'r pilot valve at a negative blade angle |
Reverse Stop |
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ACFT gross weight if exceeding 8k in-lbs of TQ on all 4 C-130 engines |
95k lbs |
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When exciter teeth on torquemeter wheels are aligned @ 0 TQ, they are? |
In-phase |
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Completes Fuel Shutoff Valve & Ignition Unit circuits @ 2-3psi on C-130 APU |
Sequencing Oil Pressure Switch |
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Provides Prop-Balance Analyzer its 2 inputs |
velocimeter & mag pulse gen |
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PH (Phase) insp consolidates what other 3 insp? |
Basic Post-FLT (BPO), post-FLT, Periodic (PE) |
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T56 open circuit between Coordinator & TDA? |
eng pwr loss; TDV goes full "take" on fuel |
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T56 short to GND between thermocouples & TDA? |
eng overheat; TDV goes full "put" on fuel |
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T56 open circuit between thermocouples & TDA? |
nothing happens |
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Limits hi-EGT if Load Ctrl Valve is opened too fast |
C-130 APU Rate Ctrl |
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T56 Coordinator Temp-Ctrl range |
65-90° |
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Delivery Priority + Uniform Material Movement & Issue Priority Systems |
Supply priority systems |
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TO system TO |
00-5-1 |
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Exceeded range or open circuit reading on multimeter |
OL |
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Used to decrease pressure & increase velocity |
convergent duct |
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Used to increase pressure & decrease velocity |
divergent duct |
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Fitting used for 5/8" tubing |
size 10 |
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In-FLT 54H60-91 & T56 damage is prevented by |
locked prop-brake |
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Can vary N1/Compressor rpm |
OAT & Altitude |
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What happens to air received by compressor stators from comp rotors? |
deceleration & pressurization |
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3 common eng damages from comp rotor shifts |
1 - thrust bearing dmg 2 - blade/vane interference 3 - comp stall |
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Oil entry on T700 A-sump |
3o'c swirlframe strut |
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Oil entry on T700 B-sump |
1o'c midframe strut |
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Oil entry on T700 C-sump |
7o'c exhaust strut |
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4 TDA adjust-pontentiometers |
1 - bias 2 - slope 3 - start limiting 4 - norm limiting |
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When is the bearing, cage, & labyrinth seal rem'd during Turbine Rear Bearing Support removal on -7B's as opposed to -15's? |
-7B = BEFORE TRBS removal -15 = AFTER TRBS removal |
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stretching/elongation of material due to overtemperature |
necking down |
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Dark, semicircular area on a failed turbine rotor |
(possible) prior cracking |
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What is adjusted if C-130 eng condition ctrl rigging spring scale readings are O/O/L |
condition ctrl cables |
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C-130 APU ignition pwr is cutoff at what rpm |
95% |
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Total C-130 APU oil capacity |
6 qt |
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5 Beta Shaft cams |
1 - PCBS (press cutout backup sw) 2 - beta indicator 3 - beta shaft rigging 4 - beta follow-up 5 - beta backup valve |
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2 Legacy C-130 APU models |
GTC - 85-71A APU - P85-180L |
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Valve Housing Backup Valve is open |
decrease-pitch pressure routes behind Low-Press Relief Valve for Low-Pitch Stop release, UNFTR, & RVS pitch |
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T700 blue harness |
relay ovsp & tq signals |
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White ESU BITE |
malfunction |
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APU (C-130) Low-Oil Pressure Sw |
prevent intake door closure until 18% shutdown rpm |
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Why is T56 oil tank pressurized? |
prevent foaming |
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T700 Fuel Boost Pump discharge pressure |
100% Ng - 45-90psi GND IDLE - 20psi |
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|
ODV |
1 - injector Wf 2 - drain manifold & maintain pos pressure 3 - return fuel to HMU (& flameout @ <119% Ng) |
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ball/roller/race instantaneous fracture w/o or little signs of thermal discoloration |
Severe bearing vibe fail |
|
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|
AE2100D3 Accel Bleed Ctrl Valve mount |
diffuser aft anti-ice tube |
|
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|
dropped/mishap-involved engines' insp |
visual & test cell functional ck |
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T56 RGB gear overcoming spring force, moving plunger & actuator rod fwd |
ring gear |
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At identical temp/press, is humid or dry air heavier? |
Dry air is heavier |
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Approx 54H60-91 FLT rpm |
1020 rpm |
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Keeps T56 prop brake released @ >23% rpm |
RGB oil press |
How does it make the switch?
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Fuel Ctrl inputs |
1 - Compressor Inlet Pressure (CIP) 2 - Comp Inlet Temp (CIT) 3 - Throttle Lever Angle (TLA) 4 - rpm |
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Insp performed @ equally spaced intervals per applicable -6 TO |
Hourly Post-FLT |
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Universal ACFT oil (not for preservation) |
MIL-L-23699 |
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350 tag blocks completed by originator when sending items to RPCs |
1-15A & 29 |
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# of compressor & turbine stages, thermocouples, igniters, & bleed valves on T62 |
1 (ea) |
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# of Pins securing adapters to shipping container support |
4 |
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Trains you on PPE |
Supervisor |
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T700 Contingency pwr limit |
2.5min |
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Finding OAP fails early means |
improved safety |
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Shipping container serviceable humidity indicator color |
blue |
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Firmly controls assets repaired on base or in an outside facility |
Repair Cycle Support System |
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CEMS |
tracks USAF inventory status/condition |
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Hazmat disposal method USAF cannot justify |
incineration |
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RGB tq req'd to disconnect safety coupling |
-4200 to -7200 in-lbs |
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Form of NDI limited by part complexity |
ultrasonic |
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Perfect combustion ratio of air-fuel @ 15:1 |
Stoichiometric ratio |
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Cheapest/simplest compressor type |
centrifugal |
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Special insp to find tiny prop cracks |
dye penetrant |
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Scheduled insp to detect potential failure condition |
on condition |
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Data collection point (when gathered by FLT-line mx) for Eng Trending & Diagnostic Program |
Base Engine MX Shop |
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NDI req's removing all paint |
Fluorescent dye penetrant |
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Alpha Backup Valve Cam |
opens backup valve in beta (0-28°) range & boosts LPRV & LPS lever |
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54H60-91 allows how many spliced wires for repair? |
= or < 8 |
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Fwd Dome Piston movement in 54H60-91 |
decreases blade angle |
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gives constant 18-20psi to C-130 APU LCV |
air pressure regulator |
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C-130 APU EGT exceeded thermostat limits |
Thermostat bleeds compressor air from accel ctrl diaphragm, opening ctrl valve fuel bypass, reducing EGT |
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Fuel gov'ing ck sw resets 54H60-91 prop gov'r to |
106% RPM (alpha range) |
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Approx Tq lost w/ AISBV issues on T700? |
638 in-lbs |
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Jet eng cleaning TO |
2J-1-13 |
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Valve blocking standby pump output during FTR |
FTR Actuating |
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LPRV limits Pressurized Sump +100psi of pressure for Dome Piston to decrease pitch |
Closed Backup valve |
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Only person who can appoint equipment custodians |
Sqd Commander |
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HMU actuating sys opens AISBV below |
87% Ng speed |
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ACFT grounded for 30+ days req what insp |
BPO/HSC/equivalent |
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54H60-91 prop blade burn damage req's an additional .02" |
be rem'd w/ emery cloth |
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AE2100D3 Wf relief valve fully opens |
750psid (differential) |
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PRF resource advises whom |
MXG/CC |
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T56 controllable pitch |
0-34° (coordinator) |
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Potential & Functional |
2 kinds of USAF MX failures |
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Non-mag NDI using Blacklight |
Fluorescent Dye Penetrant |
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Top half on RH container panel |
eng serviceability |
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2 part form attached to items req'ing processing |
AFTO 350 Tag |
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LRU area most susceptible to electrostatic discharge |
electrical pins |
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How is the AE2100D3 starter ctrl valve spring-loaded |
closed |
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Determines # of compressor stages |
air amount + total pressure |
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Timeframe Cat II's have to be fwd'd |
72 working hrs |
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3K56B30N; 'N' means? |
electrical ground (current phase) |
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Mgmt of Pacer engines |
2x norm rate until @ top 10% of fleet engines |
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Turbine blade highest stress point |
root |
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Compressor blade highest stress point |
middle |
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When is the condition lever moved to RUN during in-FLT un-FTR? |
eng rpm reaches lightoff |
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Reciprocating eng break-in |
100-200hrs |
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Debrief report formats |
.txt & (formerly; outdated) .xml |
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Considered factors when troubleshooting & 2 or more units are at-fault |
time & cost |
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Synchrophaser Unit allows how much compensatory rpm change from Speed Bias Motor? |
2% |
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2 HAZMAT categories |
physical & health |
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Tq wrench calibration TO |
33K6s |
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Weather-delayed max-pwr ck alternatives to grounding |
(until max-pwr ck can be performed) use last ETF .95 or >, or use .95 if > |
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Type II Shelf Life |
extendable shelf-life following insp |
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Items returned to Depot for design/function/application |
req overhaul |
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Prop retaining nut tq ck tq = <1000 ft-lbs |
prop rem'd from service |
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Tooth on tooth contact between ctrl assy idler gear outer-race (IGOR) & beta feedback shaft req's you to? |
separate ctrl assy from prop & rotate IGOR slightly |
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Difference between simple AC & DC gens? |
DC = commutators AC = slip rings |
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Prop balancing is NOT req'd if prop imbalance is at what level? |
= or > .2" per sec sq |
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New Health Indicator Test (HIT) baseline is req'd |
during initial GND run |
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NDI to find abnormal heat treating |
eddy current |
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Eddy current's diadvantage |
parts must be smooth/flat & easily accessible |
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Electrical circuit w/ fuses |
<30 amps |
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Mounts to bottom of AE2100D3 air inlet housing |
Pwr Unit Accessory Dr (PUAD) |
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TO divided into tasks of mx actions |
job guide |
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When you are assigned to an equipment MXS as engines, what FLT will you most likely be attached? |
MX FLT |
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When you are assigned to an equipment MXS as engines, what FLT will you most likely be attached? |
MX FLT |
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