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2a651 Eoc Practice Test All Volumes

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1.  (440) What are the two main types of augmentor (afterburner) ignition systems?
A.
B.
C.
D.
2.  (201) “The combination of decreased pressure above an airfoil, and the increased pressure below the airfoil produces lift” is best described by
A.
B.
C.
D.
3.  (608) Which two cams, on the alpha shaft, control the 54H60–91 propeller unfeathering operation?
A.
B.
C.
D.
4.  (235) The F108 engine can be broken down into how many individual modules?
A.
B.
C.
D.
5.  (413) The valve that allows fluid to flow in only one direction is the
A.
B.
C.
D.
6.  (438) What are the two types of thrust reversers?
A.
B.
C.
D.
7.  (029) The length of a torque extension is determined by the distance between the center of the square drive and the center of the
A.
B.
C.
D.
8.  (406) What component is controlled by the AE2100D3 FADEC through the ENGINE START switch for normal engine shutdown or by the fire control handle for emergency shutdown?
A.
B.
C.
D.
9.  (249) Which bearing is located in the LPT of the F119–PW–100 engine?
A.
B.
C.
D.
10.  (419) A simple DC ignition system consists of vibrator,
A.
B.
C.
D.
11.  (415) The primary benefit of identifying an impending failure through the OAP is
A.
B.
C.
D.
12.  (414) The journeyman must be aware of which hazardous property of modern jet engine oil?
A.
B.
C.
D.
13.  (019) How can you tell when the text or a picture in a TO has been changed?
A.
B.
C.
D.
14.  (007) For hazardous waste disposal, it is unlikely the Air Force can justify
A.
B.
C.
D.
15.  (823) Before moving an aircraft into the hush house, you must inspect the aircraft
A.
B.
C.
D.
16.  (405) The F108 engine fuel pump contains a low-pressure stage (centrifugal boost stage) and a high-pressure
A.
B.
C.
D.
17.  (830) Responsibility for the proper preventive maintenance of a test cell facility rests with the
A.
B.
C.
D.
18.  (415) Who is responsible for ensuring that the OAP operates properly?
A.
B.
C.
D.
19.  (221) The recommended method of heating inner races of bearings before installing them is
A.
B.
C.
D.
20.  (608) On the 54H60–91 propeller, during feather operation, between approximately what psi are the pressure cutout switch contacts opened?
A.
B.
C.
D.
21.  (429) On an F108 engine, anti-ice air is ducted from which manifold?
A.
B.
C.
D.
22.  (801) To become an expert troubleshooter, you must
A.
B.
C.
D.
23.  (210) The forward end of the shaft on a centrifugal compressor is hollow in order to
A.
B.
C.
D.
24.  (615) For the R391 Dowty propeller, the feather valve is located inside the
A.
B.
C.
D.
25.  (615) For the R391 Dowty propeller, what component(s) relay propeller blade angle to the FADEC units.
A.
B.
C.
D.
26.  (601) Which 54H60–91 propeller subassembly transmits engine torque to the propeller blades?
A.
B.
C.
D.
27.  (616) For the R391 Dowty propeller, what component provides blade angle feedback to the FADEC by two RVDT?
A.
B.
C.
D.
28.  (224) On the T56 turboprop engine, how many stages of reduction are in the RGB’s main reduction gear train?
A.
B.
C.
D.
29.  (602) On the 54H60–91 propeller, which valve, contained in the valve housing, controls the flow of hydraulic fluid to and from the dome assembly?
A.
B.
C.
D.
30.  (234) The T700 gas generator turbine rotor drives the
A.
B.
C.
D.
31.  (235) Primary airflow in the F108 engine is through all of the following components except the
A.
B.
C.
D.
32.  (248) Which is not a part of the core module of a F119–PW–100 engine?
A.
B.
C.
D.
33.  (604) On the 54H60–91 propeller, if the main filter becomes clogged, which valve opens to assure continued flow?
A.
B.
C.
D.
34.  (827) The noise suppressor at a portable test cell is not equipped with
A.
B.
C.
D.
35.  (424) On the F–15 secondary power system, what is used to stop the JFS starting cycle when the aircraft engine has accelerated to starter cutout speed?
A.
B.
C.
D.
36.  (617) When used for ground operation, the SGT engine can be installed on
A.
B.
C.
D.
37.  (615) Which component controls the R391 Dowty propeller blade angle by directing engine oil flow through the beta tube to the cylinder and piston?
A.
B.
C.
D.
38.  (034) How many range settings does the Fluke 8025A multimeter have?
A.
B.
C.
D.
39.  (220) Which type of defect appears on bearings as a result of bearing parts striking together?
A.
B.
C.
D.
40.  (436) What AE2100D3 engine component continuously monitors the LVDT signal and controls the compressor IGV position?
A.
B.
C.
D.
41.  (428) Discharge air used for aircraft engine anti-icing to heat-critical areas is taken from which engine area?
A.
B.
C.
D.
42.  (826) Engines are mounted in the fixed test cell on a thrust stand or are suspended
A.
B.
C.
D.
43.  (041) Preservation of a component being shipped is required when it is being returned to depot or stored for more than how many days?
A.
B.
C.
D.
44.  (029) What type of rule should you use for measuring an inside diameter?
A.
B.
C.
D.
45.  (024) What supports base-level technicians by providing technical assistance and performing any repairs beyond their responsibility/capability?
A.
B.
C.
D.
46.  (230) The stationary (stator) vane blades on the T56 compressor are used to
A.
B.
C.
D.
47.  (043) When removing the shipping container lid from the shipping container, how much are the turnlock fasteners turned?
A.
B.
C.
D.
48.  (621) What type of sump design is the oil system on a GTCP165 engine?
A.
B.
C.
D.
49.  (235) Which F108 major engine module provides for mounting of the front of the engine to the airframe?
A.
B.
C.
D.
50.  (248) On an F119–PW–100 engine, what function does the diffuser case serve other than housing the combustor?
A.
B.
C.
D.
51.  (415) What are microscopic metallic particles in the oil system called?
A.
B.
C.
D.
52.  (605) The purpose of the 54H60–91 propeller pitchlock assembly is to prevent
A.
B.
C.
D.
53.  (233) The AE2100D3 power plant major assemblies are the PGB, torquemeter assembly, power section, accessory drives, and the
A.
B.
C.
D.
54.  (008) Base Supply must deliver numerous parts to numerous organizations on a prioritized basis because of what difference in each organization?
A.
B.
C.
D.
55.  (045) Engines inactive for over 180 days must have what accomplished?
A.
B.
C.
D.
56.  (047) On the personnel maintenance platforms, the purpose of the platform safety lockpins is to
A.
B.
C.
D.
57.  (805) The engine fuel-flow indicating system of most jet powered aircraft contains a fuel-flow
A.
B.
C.
D.
58.  (035) When operating a borescope, what part of the borescope illuminates the interior of the area you are inspecting?
A.
B.
C.
D.
59.  (601) On the 54H60–91 propeller, which component provides a means for balancing the propeller?
A.
B.
C.
D.
60.  (612) The term “No. 320 grit” refers to which feature of sandpaper?
A.
B.
C.
D.
61.  (409) The F100-PW–100 engine oil pressure varies with N2 speed, engine inlet oil temperature, and
A.
B.
C.
D.
62.  (203) Which section of a jet engine introduces and burns fuel?
A.
B.
C.
D.
63.  (222) Which component reduces the engine rotor speed to the rpm required for accessories?
A.
B.
C.
D.
64.  (439) On the F117-PW–100 engine, what component controls hydraulic power for actuating both the fan and core thrust reversers?
A.
B.
C.
D.
65.  (028) Carrying a hand tool in your pocket is potentially hazardous because it could cause
A.
B.
C.
D.
66.  (245) On an F100–PW–220 engine, the gearbox module is driven by the rear compressor through
A.
B.
C.
D.
67.  (616) For the R391 Dowty propeller, during flight operation, what directs the PCU to meter fine and coarse pitch oil to maintain 1020.7 rpm?
A.
B.
C.
D.
68.  (826) In the fixed test cell, air for the engine intake comes through baffles located on the
A.
B.
C.
D.
69.  (039) What numerical value is given to a fitting used on tubing that measures 3/8 inch?
A.
B.
C.
D.
70.  (420) The T56 engine speed-sensitive control lets electrical current flow to the fuel and ignition system at
A.
B.
C.
D.
71.  (012) When a bench stock item has a type I shelf-life, it means the item
A.
B.
C.
D.
72.  (435) On an F110-GE–129 engine, the MEC schedules the variable vane positions by the
A.
B.
C.
D.
73.  (008) Which Base Supply function manages the repair cycle system?
A.
B.
C.
D.
74.  (439) The core reverser lock proximity sensors are mounted on the
A.
B.
C.
D.
75.  (839) A cold compressor stall that occurs at low revolutions per minute (RPM) and is accompanied by a slight overtemperature is called
A.
B.
C.
D.
76.  (233) What type of compressor rotor assembly is used on the AE2100D3 engine?
A.
B.
C.
D.
77.  (249) On the F119–PW–100 engine, which of the following is not attached to the gearbox assembly?
A.
B.
C.
D.
78.  (811) The test cell exhaust gas temperature (EGT) selector allows selection of
A.
B.
C.
D.
79.  (805) The fuel-flow indicator indicates the rate of fuel-flow as
A.
B.
C.
D.
80.  (401) At room temperature, how many times longer will it take water to settle out of JP–8 than out of gasoline?
A.
B.
C.
D.
81.  (808) On engines with afterburners, the position of the exhaust nozzle is converted into an electrical signal by a
A.
B.
C.
D.
82.  (014) To become an equipment custodian, you must be appointed by the
A.
B.
C.
D.
83.  (024) Depot level support includes CLSS crews, depot maintenance support, maintenance assistance, and
A.
B.
C.
D.
84.  (402) The purpose of a fuel/oil cooler in a fuel system is to
A.
B.
C.
D.
85.  (404) On an F100-PW–220 engine, the MFC is capable of operating in how many modes?
A.
B.
C.
D.
86.  (610) If the master propeller fails during synchrophaser governing, the slave propellers follow the master to
A.
B.
C.
D.
87.  (012) Which item is one that a storage time period must be assigned to ensure that it will perform satisfactorily over a specified period of time?
A.
B.
C.
D.
88.  (603) What switch, located in the control quadrant, activates the 54H–60–91 propeller governor speed bias servo assembly as the throttle is moved into the flight idle gate?
A.
B.
C.
D.
89.  (240) On which module of an F100–PW–220 engine is the stator generator mounted?
A.
B.
C.
D.
90.  (039) Why should dust caps be installed over tube ends rather than inside them?
A.
B.
C.
D.
91.  (422) The OSG on the cartridge-pneumatic starter consists of the
A.
B.
C.
D.
92.  (608) On the 54H60–91 propeller, which valve is a backup in case the feather valve fails during feathering operation?
A.
B.
C.
D.
93.  (812) What kind of engine vibration does not persist, but comes and goes?
A.
B.
C.
D.
94.  (014) Which type of items must be reflected on the CA/CRL?
A.
B.
C.
D.
95.  (610) To reduce the noise and vibration levels, synchrophasing mode of governing maintains all the propellers at
A.
B.
C.
D.
96.  (601) On the 54H60–91 propeller, which is a function of the pitchlock regulator?
A.
B.
C.
D.
97.  (821) Where are the primary silencers positioned on an aircraft noise suppressor?
A.
B.
C.
D.
98.  (213) Swirl-type fuel nozzles usually are used to provide what type of flame speed?
A.
B.
C.
D.
99.  (840) Turbine blade fatigue failure does not result from
A.
B.
C.
D.
100.  (604) On the 54H60–91 propeller, the output of what pump is sufficient to supply hydraulic pressure for normal propeller operation?
A.
B.
C.
D.
101.  (240) External flanges on the F100 engine are referred to by
A.
B.
C.
D.
102.  (404) Core engine fuel flow sequence on an F100-PW–220 engine starts at the main fuel pump and then goes through the
A.
B.
C.
D.
103.  (811) The test cell IC temperature indicator displays temperatures in degrees Fahrenheit, with a range of
A.
B.
C.
D.
104.  (439) How many linear hydraulic actuators are used to deploy and stow the fan thrust on the F117-PW–100 engine?2.
A.
B.
C.
D.
105.  (820) Prior to starting the engine when doing an anti-ice valve operational check on an F–16C/D, place the anti-ice engine switch to
A.
B.
C.
D.
106.  (013) A Category I DR is used to report a deficiency
A.
B.
C.
D.
107.  (404) On the F100-PW–220 engine, which component controls the augmentor fuel control?
A.
B.
C.
D.
108.  (006) Toxic materials are easiest to get into the body and cause rapid toxic reactions when they are in the form of
A.
B.
C.
D.
109.  (607) On the 54H60–91 propeller, during an underspeed condition, what moves the pilot valve?
A.
B.
C.
D.
110.  (203) Which section of a jet engine keeps the compressor rotating?
A.
B.
C.
D.
111.  (011) Which form is attached to items that are awaiting parts or maintenance?
A.
B.
C.
D.
112.  (608) When attempting to unfeather the 54H60–91 propeller in flight, where must the throttle be positioned?
A.
B.
C.
D.
113.  (218) When you handle jet engine bearings, you must change cotton gloves frequently because they
A.
B.
C.
D.
114.  (405) On an F108-CF–100 engine, the fuel injectors contain
A.
B.
C.
D.
115.  (607) On the 54H60–91 propeller, during beta range operation, the rotation of which cam moves the mechanical linkage to center the governor pilot valve?
A.
B.
C.
D.
116.  (839) What section of a compressor blade is most likely to fail?
A.
B.
C.
D.
117.  (818) The term trim means to adjust the engine systems for optimum performance per the limits in the technical order (TO). There are two methods used to trim an engine. They are
A.
B.
C.
D.
118.  (027) What is the purpose of the Lead the Fleet/Pacer programs?
A.
B.
C.
D.
119.  (022) Which technicians provide maintenance activity data to the ET&D program?
A.
B.
C.
D.
120.  (806) Two units that work together to indicate that the oil system is operating correctly are the oil pressure
A.
B.
C.
D.
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