2a651 Eoc Practice Test All Volumes

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1.  (203) Which section of a jet engine introduces and burns fuel?
A.
B.
C.
D.
2.  (408) When an engine is not operating, static preload for a carbon oil seal is provided by
A.
B.
C.
D.
3.  (223) On an F108 engine, the radial drive shaft connects the core engine to the
A.
B.
C.
D.
4.  (225) What is the total gear reduction ratio of the RGB?
A.
B.
C.
D.
5.  (037) What type of pin is used in joints that carry shear loads and where the absence of clearance is essential?
A.
B.
C.
D.
6.  (405) Operational control of the F108-CF–100 engine is achieved by the use of the power lever, fuel shut-off lever, and
A.
B.
C.
D.
7.  (431) The T56 engine anti-icing solenoid valve is
A.
B.
C.
D.
8.  (623) The modulating and shutoff valve on a GTCP165 engine will be fully open at what percent rpm?
A.
B.
C.
D.
9.  (036) Which nuts should never be used in areas where the temperature exceeds 250°F?
A.
B.
C.
D.
10.  (242) When blending fourth stage compressor blades on an F100–PW–220 engine, a maximum of how many blends are allowed on any single edge?
A.
B.
C.
D.
11.  (812) What type of vibration causes unnecessary engine removals and unwarranted repairs?
A.
B.
C.
D.
12.  (224) On the T56 turboprop engine, how many stages of reduction are in the RGB’s main reduction gear train?
A.
B.
C.
D.
13.  (617) The pneumatic air bled from the small gas turbine engine cannot be used to
A.
B.
C.
D.
14.  (621) On an GTCP165 engine oil system, air that leaks past various oil seals exits through the
A.
B.
C.
D.
15.  (008) From what perspective does the RSS manage supply?
A.
B.
C.
D.
16.  (614) What R391 Dowty propeller assembly part provides an aerodynamic faring over the aft section of the hub?
A.
B.
C.
D.
17.  (603) On the 54H60–91 propeller, when the throttle is moved to the GROUND IDLE position, what degree setting does the coordinator pointer indicate on the protractor?
A.
B.
C.
D.
18.  (413) Which RGB component prevents oil in the oil tank from draining into the RGB rear case?
A.
B.
C.
D.
19.  (401) What is the composition of JP–8 fuel?
A.
B.
C.
D.
20.  (233) On the AE2100D3, the forward engine mounts are located on the
A.
B.
C.
D.
21.  (015) The second part of a TO number gives the
A.
B.
C.
D.
22.  (044) How many pins secure the adapters to the shipping container support?
A.
B.
C.
D.
23.  (213) The excess airflow that is not burned in the combustion section is used to
A.
B.
C.
D.
24.  (612) On the 54H60–91 propeller, to avoid being crushed after removing the dome shell during dome piston seal replacement, you should keep your fingers away from the
A.
B.
C.
D.
25.  (028) What would you use to hold your tools when you cannot locate your toolbox within arm’s reach?
A.
B.
C.
D.
26.  (811) The test cell exhaust gas temperature (EGT) selector allows selection of
A.
B.
C.
D.
27.  (609) The fuel governing check switches are used to reset the propeller governor to what percentage of rpm in the alpha range?
A.
B.
C.
D.
28.  (840) Turbine blade fatigue failure does not result from
A.
B.
C.
D.
29.  (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.
30.  (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.
31.  (024) Depot level support includes CLSS crews, depot maintenance support, maintenance assistance, and
A.
B.
C.
D.
32.  (601) On the 54H60–91 propeller, which is a function of the pitchlock regulator?
A.
B.
C.
D.
33.  (815) What procedure is used to ensure the fan and low pressure turbine are correctly balanced?
A.
B.
C.
D.
34.  (207) Which engine component meters fuel for combustion?
A.
B.
C.
D.
35.  (029) If you must torque a sequence of three or more bolts,
A.
B.
C.
D.
36.  (608) Which two cams, on the alpha shaft, control the 54H60–91 propeller unfeathering operation?
A.
B.
C.
D.
37.  (602) On the 54H60–91 propeller, what is the function of the differential gear train assembly?
A.
B.
C.
D.
38.  (249) What drives the IFM in the F119–PW–100 engine?
A.
B.
C.
D.
39.  (219) The bearing removal tools that are most commonly used include
A.
B.
C.
D.
40.  (024) Depot maintenance support base-level technicians by
A.
B.
C.
D.
41.  (245) On an F100–PW–220 engine, the gearbox module is driven by the rear compressor through
A.
B.
C.
D.
42.  (802) The F100-PW–220 engine monitoring system component that acquires fault data from the digital electronic engine control (DEEC) and logs the faults with the time of their occurrence is the
A.
B.
C.
D.
43.  (404) On the F100-PW–220 engine, which component controls the augmentor fuel control?
A.
B.
C.
D.
44.  (007) Who is responsible for providing you with training on how to wear, use, and maintain personal protective equipment?
A.
B.
C.
D.
45.  (042) To release the internal air pressure in a shipping container/module, you must remove the
A.
B.
C.
D.
46.  (023) What drives the creation of a CRP?
A.
B.
C.
D.
47.  (249) On the F119–PW–100 engine, which of the following is not attached to the gearbox assembly?
A.
B.
C.
D.
48.  (035) Which factor is not considered for borescope operator certification?
A.
B.
C.
D.
49.  (025) A primary objective of the engine reporting system is to
A.
B.
C.
D.
50.  (825) The two types of test cells currently used in the Air Force are
A.
B.
C.
D.
51.  (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.
52.  (423) The JFS is basically a
A.
B.
C.
D.
53.  (024) What supports base-level technicians by providing technical assistance and performing any repairs beyond their responsibility/capability?
A.
B.
C.
D.
54.  (047) Which maintenance platform can be adjusted from 3 to 7 feet?
A.
B.
C.
D.
55.  (834) During what inspection phase are operational checks made according to the technical order (TO)?
A.
B.
C.
D.
56.  (829) You can get information such as temperature and barometric pressure from equipment at the test cell site or from
A.
B.
C.
D.
57.  (412) Approximately how many GPM does the AE2100D3 PUAD lube and scavenge pump provide at engine PTO?
A.
B.
C.
D.
58.  (608) On the 54H60–91 propeller, during feathering operation, the feather valve is positioned to meter hydraulic fluid to the
A.
B.
C.
D.
59.  (005) Who has overall responsibility for the FOD program?
A.
B.
C.
D.
60.  (001) Who monitors flying and maintenance schedules, and maintains visibility of fleet health indicators?
A.
B.
C.
D.
61.  (206) What is the sea-level atmospheric pressure at “standard day” conditions?
A.
B.
C.
D.
62.  (801) After reviewing the aircraft/engine forms, where should you begin troubleshooting?
A.
B.
C.
D.
63.  (425) When starting the F–16, which component drives the JFS geartrain, fuel control, and lube pump?
A.
B.
C.
D.
64.  (025) For how many categories of reporting does the CEMS establish and maintain records?
A.
B.
C.
D.
65.  (613) When balancing a 54H60–91 propeller, the velocimeter is secured to the forward side of the RGB at what position (as viewed from the rear)?
A.
B.
C.
D.
66.  (005) FOD is normally caused by
A.
B.
C.
D.
67.  (439) The F117-PW–100 fan thrust reverser door upper right and left sensors send a signal to which channel or channels of the EEC?
A.
B.
C.
D.
68.  (238) On the F108 engine, the LPT shaft assembly connects the fan shaft with the
A.
B.
C.
D.
69.  (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.
70.  (620) On GTCP165 engine shutdown, what valve closes to ensure fuel-flow is terminated?
A.
B.
C.
D.
71.  (605) On the 54H60–91 propeller, what forces the stop levers on the low pitch stop to move outward?
A.
B.
C.
D.
72.  (429) On an F108-CF–100 engine anti-ice system, what is the purpose of the air injector on the air regulator?
A.
B.
C.
D.
73.  (021) In RCM, which preventative maintenance task is a scheduled inspection to detect a potential failure condition?
A.
B.
C.
D.
74.  (023) When a CIRF ships a replacement asset to a deployed unit, who is responsible for ensuring all appropriate documentation is completed?
A.
B.
C.
D.
75.  (601) Which 54H60–91 propeller subassembly transmits engine torque to the propeller blades?
A.
B.
C.
D.
76.  (008) Which supply document provides a means for organizations to review all document numbers processed during the day by the SBSS?
A.
B.
C.
D.
77.  (434) On an F108-CF–100 engine, the variable bleed valves bleed air from the
A.
B.
C.
D.
78.  (410) On an F100-PW–220 engine, what component permits oil to bypass the oil filter during cold weather starts?
A.
B.
C.
D.
79.  (610) Mechanical governing provides the foundation for what other propeller governing modes?
A.
B.
C.
D.
80.  (201) “An unbalanced force on a body produces or tends to produce an acceleration in the direction of the force and that the acceleration, if any, is directly proportional to the force and inversely proportional to the mass of the body.” This statement is
A.
B.
C.
D.
81.  (011) Which form is attached to items that are awaiting parts or maintenance?
A.
B.
C.
D.
82.  (007) Hazardous waste storage areas must prevent
A.
B.
C.
D.
83.  (208) When two or more turbine wheels are used in a jet engine, which component is placed directly in front of each turbine wheel?
A.
B.
C.
D.
84.  (407) On the T56 engine, what compares the desired throttle setting from the coordinator with the actual TIT signal from the thermocouples?
A.
B.
C.
D.
85.  (004) To avoid the engine exhaust blast, what is the minimum distance in feet to the rear of the aircraft?
A.
B.
C.
D.
86.  (419) Which unit of an AC ignition system develops 20,000 volts?
A.
B.
C.
D.
87.  (841) Bearing failure from moisture, lack of protective oils, improper handling, or improper storage could cause
A.
B.
C.
D.
88.  (027) What is the purpose of the Lead the Fleet/Pacer programs?
A.
B.
C.
D.
89.  (226) The propeller brake is in which position when the aircraft is on the ground and the engine is stopped?
A.
B.
C.
D.
90.  (812) Forces acting to create vibration in a jet engine present a highly complex pattern. This is because the main rotor
A.
B.
C.
D.
91.  (042) Which container does not require warehouse facilities?
A.
B.
C.
D.
92.  (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.
93.  (826) The vertical baffles in the exhaust stack of the fixed test cell are designed to remove
A.
B.
C.
D.
94.  (603) The condition lever GND STOP position is only effective on the ground because the circuits made in this position are completed through what switches?
A.
B.
C.
D.
95.  (215) Why is the “fir tree” method of attaching turbine blades (buckets) to the turbine rotor disc preferred?
A.
B.
C.
D.
96.  (246) How many stages are in the inlet fan module of the F119–PW–100 engine?
A.
B.
C.
D.
97.  (804) Which jet engine temperature is not measured?
A.
B.
C.
D.
98.  (019) Which TO covers information concerning the Air Force TO system?
A.
B.
C.
D.
99.  (607) On the 54H60–91 propeller, during beta range operation, what moves the pilot valve?
A.
B.
C.
D.
100.  (417) What provides the PTO shaft that is used to drive the CSD?
A.
B.
C.
D.
101.  (039) Why should dust caps be installed over tube ends rather than inside them?
A.
B.
C.
D.
102.  (432) What does a high-altitude stall sound like?
A.
B.
C.
D.
103.  (826) Engines are mounted in the fixed test cell on a thrust stand or are suspended
A.
B.
C.
D.
104.  (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.
105.  (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.
106.  (039) Copper tubing is not used on jet engines because it
A.
B.
C.
D.
107.  (812) What kind of engine vibration does not persist, but comes and goes?
A.
B.
C.
D.
108.  (239) On the F108 engine, what connects the IGB to the TGB bevel gears?
A.
B.
C.
D.
109.  (421) An F100-PW–100 engine augmentor igniter plug ionizes at a minimum rate of how many sparks per second?
A.
B.
C.
D.
110.  (602) On the 54H60–91 propeller, which cam disarms the NTS system linkage when the throttle is positioned in the beta range?
A.
B.
C.
D.
111.  (803) Most engine monitoring gauges and instruments require some type of
A.
B.
C.
D.
112.  (832) On a disassembled engine, a visual inspection of the combustion chamber is preferred over a borescope inspection because
A.
B.
C.
D.
113.  (204) Which type of horsepower is delivered to the propeller for useful work?
A.
B.
C.
D.
114.  (435) On an F110-GE–129 engine, the MEC schedules the variable vane positions by the
A.
B.
C.
D.
115.  (228) Which components comprise the torquemeter assembly?
A.
B.
C.
D.
116.  (209) The three major sections of all jet engines are compressor, combustion, and
A.
B.
C.
D.
117.  (006) During flightline and test cell operations, you may be exposed to
A.
B.
C.
D.
118.  (827) The portable test cell is not equipped with a
A.
B.
C.
D.
119.  (605) On the 54H60–91 propeller, what prevents engagement of the stationary and rotating ratchets at blade angles below 25° and above 55°?
A.
B.
C.
D.
120.  (827) The vibration pickups on the portable test cell are cooled by
A.
B.
C.
D.
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