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125 Cards in this Set

  • Front
  • Back

List the two primary purposes of aircraft


lighting

A1. To provide specialized exterior lighting and


illuminating the interior.


Why should spare light bulbs be shock


mounted

A2. To prevent filament fatigue failure.


What are the two most common types of


bulb bases

A3. Single and double contact bayonet.


What type of light is used to attract visual


attention to the aircraft’s position and


heading at night?

A4. Navigation lights

On which wing tip will the green navigation


light be found?


?

A5. Right wing tip.


A bluish-green anticollision light identifies


what type of aircraft?


A6. Tanker aircraft.


When the angle of attack is perfect for the


landing approach, what color AOA light


illuminates

A7. Amber

Q1. The science of liquid pressure and flow is


known as


A1. Hydraulics.


.

Q3. In a hydraulic system, what unit creates


fluid flow?


THE PUMP

Q4. What does the hydraulic actuating unit


convert fluid pressure into?


A4. Useful work by linear/reciprocatingmechanical


motion.


Q5. Why does the arresting gear hook relay have


a 1.1 second delay?


A5. To ensure the hook is up and locked before


removing hydraulic pressure.


Q6. What system provides the pilot with


adequate directional control during ground


operations?


A6. Nose wheel steering.


Q7. During emergency retraction, what is used


to close the speed brake?


A7. The airstream pressure.

Q8. The pneumatic system compressor comes


on when system pressure drops below what


value?

A8. 2,750 PSI


The frictional temperature increase created


by ram compression on the skin surface of


the aircraft is known as


A1. Ram air temperature.

What is the


conditioning


primary purpose of an airand


pressurization system?


A2. Crew safety and comfort.


Where is the resistance heating element


installed in electrically heated windshields?


A3. On the inner surface of the outer pane of


glass.


.

What do aircraft equipped with wing deice


systems use to prevent ice buildup on the


leading edge?


?

A4. Hot air from combustion heaters or engine


compressors.


What does the P-3 empennage anti/deicing


systems use to prevent ice buildup

A5. Electrical heating elements

The air turbine starter converts energy from
what type of air to shaft power?
Converts energy from compressed air to
shaft

The external stop switch de-energizes the air


turbine start control holding relay by

A4. Removing the positive potential.

Q1. Why is timing not a factor in jet engine


ignition systems?


A1. Jet engines run on a continuous burning


fire.


Q2. What unit in an ignition system develops


enough voltage to produce a spark?


A2. The ignition exciter.


Q3. At what engine RPM does ignition


normally stop?


A3. Between 45 percent and 65 percent of the


engine rated speed.


Q4. In the capacitor-discharge ignition system,


what total number of pulses must occur


before the capacitor discharges?


A4. 34 pulses.


Q5. Engine ignite reactivates automatically when either of what two conditions occurs?
A5. A flameout or during aircraft weapons fire.

List the four positions of the E-2 aircraft


condition lever.


A1. Feather, ground stop, run, and airstart.


When is the temperature datum control in


the temperature controlling range?


.

When the power lever is above 66°F


coordinator and the temp datum switch is


in AUTO.

At what RPM is the engine limiting


temperature 830°C?


A3. Below 94 percent RPM.


Thermocouple leads are made of


A4. Chromel and Alumel.


List the main components of an engine


coordinator

A5. A variable potentiometer, discriminating


device, and a cam-operated switch.

During a P-3 engine start, at what percent


RPM does the start control switch reenergize?


A1. 65 percent RPM.


.

What are the three switches in the speedsensitive


control?

A2. 16, 65, and 94 percent switches.


How much greater is the capacity of the


primary pump than the secondary pump?


A3. 10 percent.


Q4. Why is the fuel control schedule 20 percent


richer than nominal engine requirements?


A4. To accommodate the temperature datum


valve.


Q5. What unit minimizes the amount of fuel


dropping into the combustion liners during


engine shutdown?

A5. Drain valves

In supersonic flight, icing doesn’t occur for


what reason?


A1. Friction of the air over the aircraft creates


enough heat to prevent icing.



.

What are the two types of anti-icing/deicing


systems used on aircraft?


A2. Hot bleed air and electrical.


At what point in the engine is the air the


coldest and most likely to ice?


A3. Air at the inlet guide vanes.


What is the difference between propeller


deicing and anti-icing?

A4. Deicing removes ice already built up


whereas anti-icing prevents ice buildup

The circuit that differentiates between an


overtemp (fire} and a short circuit in afire


warning system is known as a


A1. Short discriminator circuit.


Q2. The fire warning element has an inverse


temperature coefficient. What does this


statement mean?


As the temperature increases, the resistance


of the sensing element decreases.


In the F-18 fuel transfer system, what fuel


tanks feed the engines?


A1. Fuel tanks 2 and 3.



Q2. When does fuel transfer from the wing


start?

A2. When the fuel level drops below the high


pilot valves in tanks 1 and/or 4.


When does the fuel transfer center of


gravity control system energize?

A3. When fuel tank 1 transfers at a faster rate


than fuel tank 4.


When the engine is shut down and the


throttle is in the off position, the variable


exhaust nozzle is in what position?


A1. Closed.



What unit in the variable exhaust nozzle


adjusts the VEN for atmospheric


conditions?



A2. The electrical control assembly (ECA

Q1. What are the two ranges of propeller


operation?


A1. Flight and ground operation ranges.



Q2. What mode of operation is the synchrophaser


in when maintaining all propellers


at the same RPM?


A2. Synchrophasing governing mode.


Q3. What unit provides a means of setting phase


relationships between the master and slave


propellers in the synchrophase system?


A3. Phase and trim control unit.


Q4. The synchrophaser speed derivative circuit


is used to dampen changes in


A4. Engine RPM.


Q5. The slave propellers are prevented from


following an overspeed or underspeed


master propeller by what synchrophaser


circuit?

A5. The limiting circuit (two precent).

What propeller system is used only during


takeoff?


A1. Thrust.


Q7. During ground propeller unfeathering, how


do you decrease blade angle below 45


degrees?

A2. Low pitch stop.


The propeller is used to convert engine shaft


horsepower to


What mechanical unit maintains a


minimum blade angle?


A3. Variable hydraulic low pitch stop.

What does the beta follow-up system


provide?


A4. Pitch lock reset.


What system resets pitchlock RPM from


103.5 percent to 109 percent during an


aborted takeoff?


A5. Feather valve.


.

What valve bypasses all other control


functions to feather the propeller?

A6. Automatic feathering system.


To maintain the best angle-of-attack


during landing approaches, the approach


power compensator automatically controls


A1. Engine power.


What does the approach power compensator


use to compensate for differences in


ambient temperatures

A3. A three-position temperature switch.



.


Q3. During bladefold operations, if one blade


fails to fold, will the other blades fold?


A3. Yes.



.

Q4. During blade spread operations, the


actuators run in the fold condition after


lockpin position switches activate to


A4. To relieve stress built up on the segment


gear.



Q5. During pylon and stabilator fold, at what


point does the crack open switch power the


tail rotor blade position actuator?

A5. About 50 open


The ratio of the speed of an object


to the speed of sound in the same medium


and at the same temperature is known as


A1. Mach number.


Q2. The F-18 engine bleed air system duct doors
are controlled by
A2. Two flight control computers.

List the two ways of grouping aircraft


instruments.

A1. By operating principles and the job they


perform.


What determines the air pressure at any


given altitude?

A2. The weight of the air above that altitude.


What is the standard atmospheric pressure


at 5,000 feet of altitude?

A3. 12.23 pounds per square inch.


Name the three indicators that use pressures from the pitot-static system.

A4. Airspeed, altimeter, and vertical speed


indicator

Q5. What instrument uses both pitot and static PRESSURE

Airspeed indicator.


What is the Mach number for an aircraft


flying at twice the speed of sound?


Mach 2.


Q7. Define the terms “AGL” and “MSL.”


AGL—Altitude above ground level, and


MSL —altitude above mean sea level.


.

Q8. Define the term “absolute altitude.”


The distance between the aircraft and the


terrain it is flying over.


Q9. What is the name for the aneroid mechanism


used in most altimeters?


Bimetal yoke.


Q10. Name the four inputs to the air data


computer system.


Total pressure (pitot), indicated static


pressure, indicated angle of attack, and


total temperature.


Q11. Define the term “impact pressure

The force of air against the aircraft.


Q12. What is the operational limit of aircraft


using the CPU-46/A supersonic altitude


computer?

80,000 feet of altitude and Mach 2.5.


What system actuates the rudder pedal


shaker to warn the pilot of an impending


stall?

Angle of attack.


What determines the degrees of freedom for


a gyro

The number of gimbals the gyro has.


.


Name the two basic properties of gyrofrom


the pitot-static system. scopic action.

Rigidity in space and precession

What indicator shows the lateral attitude


of an aircraft?

Turn-and-bank indicator

What tach generator output is proportional


to the engine speed?


Frequency.


When there is an open in the voltage supply


circuit, what will the galvanometer of a


Wheatstone bridge read?


Zero.


.

In a radiometer-type temperature indicator,


what component determines needle position?


How the permanent magnet aligns to the


flux of the two coils.


What is a thermocouple?


A junction of two unlike metals used to


sense temperature.


In the fuel flow transmitter, what component


senses vane movement and sends it


to the synchro motor?


Magnets (ring magnet and bar magnet).


Name two ways of indicating oil pressure.


The Bourdon tube and the synchro system.


In the torquemeter system, what shaft is the


reference shaft?

The outer shaft

Q1. Name the two types of fuel probes.


Non characterized and characterized.


Q2. Upon what does the density of fuel depend?

Temperature.


WHAT UNIT IN THE FULE QUANTITY SYSTEM DEPENDS ON THE DIALCTRIC CONTENT REWATEH THE QUANTITY

The compensator probe.


NAME THE POSITION INDICATOR VARIOUS SYSTEMS INTO ON SYSTEM

Integrated position indicator

What type of marking is used to identify


dial face slippage?


White paint.


Q2. When installing rigid tube markings, what


is the minimum number per compartment?


A2. One.


Q3. What is the color of the identfication tape


on electrical conduits?


A3. Brown and orange.


Q4. Name the four classes of hazards identified


by identification of hazards tape.


6-

A4. Flammable material, toxic and poisonous


materials, anesthetics and harmful


materials, and physically dangerous


materials.

What are the two main purposes of the AFCSand ASE
To Ease pilot workload and provide aircraft stability at all
what is air foil
Any part of an aircraft designed to produce lift
When the pressure on both sides of the airfoil is nearly equal, what happens to the airfoil
the airfoil stalls
fixed wing ac controls
What to type of altitude signals can the AFCS is used to maintain a constant altitude
Radar and barometric altimeter signals
Why is the AFCS synchronized with the flight controls before engaging the AFCS
To prevent sudden and violent maneuvers upon engagement
What AFCS component provide signal output representing yaw pitch and roll rates
3 axis rate gyros
What unit is considered the heart of the AFCS
The air navigation computer
What type of heading signal does bases received from the compass/ INS system
Clutch heading signal
What are the two modes of operation for electro hydraulic servo actuators
Manual and AFCS engaged
What unit of the AFC s send a signal that acts as a follow up to flight control movement
Surface position transmitter
What AFCS mode automatically dancing oscillation in the yard, bitch, and roll rate axes
Ability augmentation mode
In the H 60 bladefold systems the transmission low oil pressure relay is energized by a
transmition pressure switch
When the rotor head is on the insulated area between index Drive slip ring segments 180 degrees from the index position and what direction will the rotor head travel toward index
Counterclockwise
List two ways of grouping aircraft instruments
By operating principles and the job they perform
What determines the air pressure at any given altitude
The weight of the air above that altitude
What is the standard atmospheric pressure at 5000 feet
12.23 pounds per square inch
Name the three indicators that use pressures from pitot-static system
Airspeed, altimeter and vertical speed indicator
what instrument uses both pitot and static air pressure
Airspeed indicator
What is the Mach number for an aircraft flying at twice the speed of sound
Mach 2
Define the terms AGL and MSL
AGL altitude above ground level MSL altitude above mean sea level
Define the term absolute altitude
The distance between the aircraft and the terrain it is flying over
What is the name for the android mechanism used in most altimeters
Bimetal yoke
Name the four input to the air data computer system
Total pressure (pitot ) indicated static pressure indicated angle of attack and total temperature
Define the term impact pressure
The force of air against the aircraft
What is the operational limit of aircraft using the CPU -46/A supersonic altitude computer
80,000 feet of thealtitude and mach 2.5
What system actuate the rudder pedal shaker to warn the pilot of an impending stall
Angle of attack
What determine the degree of freedom for a gyro
Number of Gimbels the gyro has
Name the two basic properties gyroscopic action
Rigidity in space and precision