Gas Turbine Systems Supervisor

Front 1

Which equipment program provides a procedure that prevents improper operation of components,equipment,systems,or a portion of a system isolated or in an abnormal condition?

Back 1

Tag out

Front 2

What should danger or caution tags never be used for?

Back 2

Identification

Front 3

How often at a minimum must checks and audits of all tag outs be conducted?

Back 3

Every 2 weeks

Front 4

When the actual position of a DANGER tagged valve is in question,the EOOW/EDO, with the specific permission of the responsible department head,if available,may authorize how many people to independently check the position of the specific valve(s)?

Back 4

2

Front 5

What do most environmental statutes impose for willful or knowing violations?

Back 5

Criminal liability

Front 6

The casualty control portion of which system contains information relevent to the recognition of casualty symptoms and their probable causes and effects?

Back 6

EOSS

Front 7

Which manuals specify procedures for controlling single and multiple source casualties?

Back 7

EOCC(Engineering Operational Casualty Control)

Front 8

The purpose of verification checks is to validate required changes to Engineering Operational Casualty Control (EOCC) procedures due to authorized what in addition to changes in operating philosophy, or changes in parameters?

Back 8

SHIPALTs

Front 9

During a ships scheduled PMA/SRA/ROH,Naval Warfare Center Ships System Engineering Station (NAVWARCENSSES) Philadelphia will schedule an EOSS verification check (cold plant) approximately how many weeks prior to the end of the ship's availability?

Back 9

4

Front 10

At the end of the verification check a copy of the affected EOSS documentation must be annotated and given to the ship for review and use when approved by the commanding officer.The annotated documents will be used until the final laminated EOSS is received (usually within how many weeks)?

Back 10

12

Front 11

Which type of checks are usually used to fine tune watch stander efficiency and identify procedural deficiencies?

Back 11

Hot plant

Front 12

What always supersedes other technical guidance?

Back 12

EOSS

Front 13

Which type of EOSS feedback report describes a technical discrepancy that could cause damage to equipment or injury to personnel?

Back 13

Urgent

Front 14

Urgent feedbacks should be submitted by which message precedence to NAVWARCENSSES Philadelphia?

Back 14

Priority

Front 15

Which category of routine EOSS feedbacks are used to request EOSS materials?

Back 15

Category A

Front 16

Routine EOSS feedbacks should be submitted using which Planned Maintenance System (PMS) form?

Back 16

OPNAV 4790/7B

Front 17

Category A EOSS feedbacks are sent to NAVWARCENSSES.How many working days of the request receipt must the items requested be forwarded within?

Back 17

21

Front 18

Who screens Category B EOSS feedbacks and may answer them and return to you?

Back 18

TYCOM (Type Commander)

Front 19

Which instruction can the reporting system for full power and economy trial results be found ?

Back 19

OPNAVINST 9094.1

Front 20

Which type of damage is the result of a blade leading edge tip contacting the adjacent blade tip at approximately one third of the chord length forward of the trailing edge on the low pressure (convex) side of the blade?

Back 20

Tip clang

Front 21

What is one of the worst things that can happen to an engine?

Back 21

Compressor stall

Front 22

Two areas in the compressor assembly are coated with aluminum,the shrouding over the blade tips and the rotor drum area under the what?

Back 22

Stator vanes

Front 23

A light source with a minimum of how many watts will be required for a proper inspection because the dark surfaces in the combustion section absorb light ?

Back 23

1,000

Front 24

Which type of cracking occurs over the area of the inner liner stiffening bands?

Back 24

Circumferential

Front 25

Which type of cracking usually starts at band No.3 on the inner liners and propagates aft and forward ?

Back 25

Axial

Front 26

What is the primary cause of damage to the HP nozzle and turbine rotor elements?

Back 26

Domestic Object Damage (DOD)

Front 27

Which direction in the vane airfoil surface do radial cracks run?

Back 27

Spanwise

Front 28

Which type of cracks are superficial surface cracks ,caused by high temperature ?

Back 28

Craze

Front 29

When inspecting the HP turbine blades ,you should use probe No.2 with a how many watt light source?

Back 29

150

Front 30

The leading edge of the stage 1 turbine rotor blades is the area forward of the what?

Back 30

Gill holes

Front 31

What is the flat surface with cooling holes that forms the after edge of the blade airfoil?

Back 31

Trailing edge

Front 32

Cracks in the airfoil surfaces are very tight,but can readily be seen with what probe ?

Back 32

No.2

Front 33

What is the key factor in the service life of an LM2500 GTE?

Back 33

HP turbine protective coating

Front 34

What is the present blade coating for single shank HP turbines designated as?

Back 34

BC23

Front 35

Which area of the outer liner forward flange does turbine midframe distortion most commonly occur?

Back 35

10 to 12 o clock

Front 36

What is recommended for the final assesment of any suggested distortion of the liner?

Back 36

Fiberscope

Front 37

The most common problem in the power turbine section is usually a loss of the hard coat on the what?

Back 37

Tip shroud

Front 38

Personnel should carefully inspect for any transverse cracks in the blade airfoil around what percent span?

Back 38

10%

Front 39

The only color indication that might give immediate cause for concern is what splatter in the hot section of the engine?

Back 39

Aluminum oxide

Front 40

Doing what to an engine as a prerequisite to boroscope inspections is the best way to achieve an accurate evaluation of an engine's condition ?

Back 40

Water washing

Front 41

What is a systematic analysis of symptoms that indicate an equipment malfunction?

Back 41

Troubleshooting

Front 42

What are used to support troubleshooting of the gas turbine electronic power control system ?

Back 42

Functional Dependency Diagrams (FDDs)

Front 43

Which type of alloys are used as eletroplated coatings and as alloying constituents with iron in stainless steels and with other metals such as copper ?

Back 43

Nickel and Chromium

Front 44

Which type of corrosion is direct surface attack sometimes referred to as ?

Back 44

Uniform etch

Front 45

Which term is applied to the accelerated corrosion of metal caused by dissimilar metals being in contact in a corrosive medium?

Back 45

Galvanic corrosion

Front 46

What is the most common effect of corrosion on aluminum alloys ?

Back 46

Pitting

Front 47

Which type of corrosion is an attack on the grain boundaries of some alloys under specific renditions?

Back 47

Intergranular

Front 48

What is a limited but highly damaging type if corrosion caused by a slight vibration,friction,or slippage between two contacting surfaces that are under stress and heavily loaded?

Back 48

Fretting

Front 49

What,evidenced by cracking ,is caused by the simultaeous effects of tensile stress and corrosion?

Back 49

Stress

Front 50

What is caused by the combined ecfects of corrosion and stresses applied in cycles?

Back 50

Fatigue

Front 51

Engines to be taken out of operation for periods of up to how many months require only that the unit be protected from the elements?

Back 51

1

Front 52

What must be done to an engine that has been in storage, or inoperable for an extended period of time, before it can be placed in service?

Back 52

Depreservation

Front 53

What is defined as the number of gear teeth divided by the number of teeth in the pinion?

Back 53

Ratio

Front 54

What is defined as the locus of the points of contact as the profiles go though mesh?

Back 54

Line of action

Front 55

What is defined as the angle form by a tooth and a plane passing through the axis of the gear ?

Back 55

Helix angle

Front 56

What is the angle between the line of action and the line tangent to the pitch circles ?

Back 56

Pressure

Front 57

What is the ratio if the number of teeth to the number of inches of the pitch diameter ?

Back 57

Transverse Diametral Pitch

Front 58

What is the tranverse diametral pitch divided by the cosine of the helix angle?

Back 58

Normal Diametral Pitch

Front 59

What is the play between the surface of the teeth in mesh measured at the pitch circle?

Back 59

Backlash

Front 60

Satisfactory tooth contact is defined as at least what percent of the axial length of the working face of each tooth is in contact ,distributed over nearly 100 percent of the face width ?

Back 60

80%

Front 61

What shows marking after much longer and higher power operating conditions than that required for DYKEM?

Back 61

Copper Sulphate

Front 62

What is defined as the removal of metal from the gear teeth?

Back 62

Wear

Front 63

What is characterized by transfer of metal from one sliding surface to another?

Back 63

Scoring

Front 64

What are caused by foreign particles passing through the mesh?

Back 64

Dirt Tracks

Front 65

The gear train is in alignment when the gear and the pinion are in what relation to each other ?

Back 65

Parallel

Front 66

Poor alignment between the line shaft and the MRG may be detected at the what?

Back 66

Reduction gear

Front 67

Which year did the Navy realize there was a need for the formation of a specialized gas turbine rating ?

Back 67

1975

Front 68

Which rate is primarily responsible for the electronic control circuitry interfaces ,such as signal conditioners,control consoles ,and designated electrical equipment associated with shipboard propulsion and electrical power generating plants?

Back 68

Gas Turbine Systems Technician (Electrical) (GSE)

Front 69

Which rate is primarily responsible for the operation and maintenance of the Gas Turbine Engines (GTEs),Gas Turbine Generators(GTGs),reduction gears,and associated equipment such as pumps,valves,oil purifiers,heat exchangers,shafts,and shaft bearings?

Back 69

Gas Turbine Systems Technician ( Mechanical) (GSM)

Front 70

Which office monitors current and future vacancies in the Navy?

Back 70

Chief of Naval Operations (CNO)

Front 71

What determines the number of selectees for advancement in each advancement cycle?

Back 71

Quotas

Front 72

What is the key to success in the Navy?

Back 72

Sustained superior performance

Front 73

What is the most significant service record management tool?

Back 73

Performance Evaluation (EVAL)

Front 74

What are the average of performance evaluation marks converted into?

Back 74

Performance Mark Average (PMA)

Front 75

What is used to rank order personnel against all other candidates who take the same exam?

Back 75

Final Multiple Score

Front 76

What descibe the knowledge and abilities required of every enlisted person in the Navy?

Back 76

Naval Standards (NAVSTDs)

Front 77

What are standards that express the Navy's minimum requirements for enlisted occupational skills established by manpower and personnel managers?

Back 77

Occupational Standards (OCCSTDs)

Front 78

Who maintains the TRAMANs, non resident training courses (NRTCs), arid NRTC answer sheets?

Back 78

Educational Services Officer (ESO)

Front 79

Who can assist personnel in applying for schools, arranging for duty stations in conjuction with GUARD reenlistments,and any other questions they may have about their career path?

Back 79

Command Career Counselor (CCC)

Front 80

Which publications are of particular importance to engineering department personnel?

Back 80

Naval Sea Systems Command (NAVSEA)

Front 81

What is the basic engineering doctrine publication of Naval Sea Systems Command (NAVSEA)?

Back 81

Naval Ships Technical Manual (NSTM)

Front 82

Which publication can personnel find information on how to read and interpret drawings?

Back 82

NAVEDTRA 12014

Front 83

What lists all working drawings that have a NAVSHIPS drawing number, all manufacturers' drawings designated as certification data sheets,equipment drawing lists, and assembly drawings that list detail drawings?

Back 83

Ship's Drawing Index(SDI)

Front 84

Which order are drawings listed in the Ship's Drawing Index (SDI)?

Back 84

Numerical

Front 85

Which instruction describes in detail the Ships' 3-M Systems?

Back 85

OPNAVINST 4790.4

Front 86

The Ships' 3-M Systems is divided into two subsystems.They are the Planned Maintenance System(PMS) and which other system?

Back 86

Maintenance Data System (MDS)

Front 87

Which publication must be followed when personnel are exposed to extended periods if strenuous physical work in spaces of high ambient temperature?

Back 87

NAVMED P-5052-5

Front 88

Which instruction must be followed when pesonnel are exposed to high sound levels must?

Back 88

OPNAVINST 5100.23

Front 89

Noise levels generated from Gas Turbine Engine (GTEs) are on the order of 100 to how many decibels (db)?

Back 89

125

Front 90

Personnel must wear approved hearing protection when working in an environment where the noise level is greater than how many decivels(db)?

Back 90

84

Front 91

Personnel must wear double hearing protection,earplugs and earmuffs, if they must be in an area where the noise level is greater than how many decibels(db)?

Back 91

104

Front 92

Which type of oils are not suitable for use because of the high rotational sppeds and high temperatures generated by Gas Turbine Engines (GTEs)?

Back 92

Petroleum based

Front 93

What is the synthetic oil in general use aboard gas turbine ships?

Back 93

MIL-L-23699

Front 94

All oil spills and slicks or sheens within the how many mile prohibited zone of the United States must be reported immediately in following the provisions of OPNAVINST 5090.1?

Back 94

50

Front 95

Which type of management involves procedures related to the receipt of fuel and the maintenance of the fuel system equipment ?

Back 95

Fuel system

Front 96

What percent is the maximum allowable Bottom Sediment and Water (BS&W) of an acceptable replenishment sample?

Back 96

0.1%

Front 97

What is the North Atlantic Treaty Organization (NATO) designation for JP-5?

Back 97

F-44

Front 98

What is the North Atlantic Treaty Organization (NATO) designation fir fuel that has a lower pour point than F-76?

Back 98

F-75

Front 99

What do lighter colored fuels,in general,tend to have less of than darker fuels ?

Back 99

Sediment

Front 100

How often at a minimum must personnel test non compensated fuel tanks, fuel gravity feed tanks ,fuel head tanks, and JP-5 emergency head tanks bottoms for the presence of water?

Back 100

Weekly

Front 101

Which chapter of the Naval Ships' Technical Manual should be referred to for detailed information on the sampling and testing requirements if JP-5 fuel?

Back 101

542

Front 102

What is the evaporated water referred to as that is discharged from the ship's distilling plant?

Back 102

Distillate

Front 103

Which term is used to designate water stored in feed tanks?

Back 103

Feedwater

Front 104

Which type of heat exchanger does seawater cool the steam and return it to liquid form?

Back 104

Condenser

Front 105

What can cause boiler corrosion if not properly maintained?

Back 105

pH balance

Front 106

Hardness-Calcium along with what else are the major hardness constituents and primary sources of scale in boilers?

Back 106

Magnesium

Front 107

What dissovles the protective layer on boiler metal and pitting corrosion instead of general corrosion results?

Back 107

Chloride

Front 108

Which chapter of the Naval Ships' Technical Manual should be referred to for requirements for treating and maintaining Waste Heat Boilers (WHBs)?

Back 108

220

Front 109

What will aid personnel in making detailed inspection where they can't directly see the inspection area?

Back 109

Inspection mirror

Front 110

Which type of wrenches are used to tighten nuts,bolts,and fasteners to specific tolerances?

Back 110

Torque

Front 111

The three most commonly used torque wrenches are the deflecting beam,dial indicating ,and which other type?

Back 111

Micrometer setting

Front 112

Which type of calipers are used in conjunction with a scale to measure diameters?

Back 112

Simple

Front 113

Which type of caliper is chiefly used for locating the center of a shaft or for locating a shoulder?

Back 113

Hermaphrodite

Front 114

Which type of caliper can be used for measuring outside , inside ,and other dimensions?

Back 114

Slide

Front 115

Which type of caliper consists of an L-shaped member with a scale engraved on the long shank?

Back 115

Vernier

Front 116

What is the micrometer caliper commonly called?

Back 116

Mike

Front 117

Which type of caliper can be used to measure down to the nearest 1/10,000th of an inch?

Back 117

Vernier micrometer

Front 118

How many types of micrometers are commonly used throughout the Navy?

Back 118

3

Front 119

The types of micrometers commonly used are made so that the longest movement possible between the spindle and the anvil is how many inches?

Back 119

1 in

Front 120

Which type of test unit is a battery operated unit that outputs an ultraviolet light beam to test the ultraviolet light flame detectors?

Back 120

Ultraviolet(UV)

Front 121

Which type of device outputs forced hot air and is used to test the temperature detectors in the gas turbine enclosure?

Back 121

Heat gun

Front 122

Which type of instrument permits rotating or reciprocating objects to be viewed intermittently and produce the optical effect of slowing down or stopping motion?

Back 122

Stroboscope

Front 123

Which type of electronic flash device has a very short flash duration (on the order of a few millionths of a second)?

Back 123

Strobotac

Front 124

Which type of instrument is used to inspect the internal parts of the Gas Turbine Engine (GTE) ?

Back 124

Borescope

Front 125

Which method is used for determining a piece of machinery's mechanical condition by measuring its vibration characteristics under normal operating conditions?

Back 125

Vibration analysis

Front 126

What is used to conduct the Bottom Sediment & Water (BS&W) test on fuel or to separate different liquids and solids from liquids?

Back 126

Centrifuge

Front 127

To operate the centrifuge,place two tubes with the 100 ml of fuel at opposite ends if the carrier.Then whirl them for how many minutes at a speed if 1,500 rpm?

Back 127

15

Front 128

Which type of closed -cup flash point tester determines the flash point of fuel received on board ship?

Back 128

Pensky-Martens

Front 129

What is the minimum flash point for all fuel on Navy ships?

Back 129

140° F