2a651 Eoc Practice Test All Volumes

120 Questions  I  By AerospacePropulsion
2A651 EOC Practice Test

  
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1.  (024) Depot level support includes CLSS crews, depot maintenance support, maintenance assistance, and
A.
B.
C.
D.
2.  (007) Who is responsible for providing you with training on how to wear, use, and maintain personal protective equipment?
A.
B.
C.
D.
3.  (008) Which Base Supply function manages the repair cycle system?
A.
B.
C.
D.
4.  (612) On the 54H60–91 propeller, after the new packings are in place during dome piston seal replacement, you need to turn them so what color faces outward?
A.
B.
C.
D.
5.  (417) What provides the PTO shaft that is used to drive the CSD?
A.
B.
C.
D.
6.  (806) The oil pressure indicator receives an electrical signal from the
A.
B.
C.
D.
7.  (442) On an F110-GE–129 augmentor variable nozzle, uniform movement and geometric stability of the nozzle is provided by
A.
B.
C.
D.
8.  (035) When operating a borescope, what part of the borescope illuminates the interior of the area you are inspecting?
A.
B.
C.
D.
9.  (604) On the 54H60–91 propeller, which valve sets and maintains a pressure differential of about 100 psi between system pressure and the increase- or decrease-pitch pressure?
A.
B.
C.
D.
10.  (019) Which TO covers information concerning the Air Force TO system?
A.
B.
C.
D.
11.  (610) Which is a function of normal governing?
A.
B.
C.
D.
12.  (423) The JFS is basically a
A.
B.
C.
D.
13.  (003) Occupational health is regulated by Air Force series
A.
B.
C.
D.
14.  (042) Which container does not require warehouse facilities?
A.
B.
C.
D.
15.  (604) On the 54H60–91 propeller, when the backup valve is opened, the hydraulic pressure routed to the governor pilot valve is used for which operation?
A.
B.
C.
D.
16.  (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.
17.  (206) What effect does the divergent design of a diffuser have on air pressure?
A.
B.
C.
D.
18.  (218) How many different types of loads can be imposed on a jet engine bearing?
A.
B.
C.
D.
19.  (413) Bleed air flowing through which component increases airflow through the cooler?
A.
B.
C.
D.
20.  (216) The exhaust duct connects the turbine outlet and the
A.
B.
C.
D.
21.  (218) When you handle jet engine bearings, you must change cotton gloves frequently because they
A.
B.
C.
D.
22.  (614) What R391 Dowty propeller assembly part provides an aerodynamic faring over the aft section of the hub?
A.
B.
C.
D.
23.  (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.
24.  (841) Which characteristic is the most common cause of bearing failure?
A.
B.
C.
D.
25.  (213) What is the most common type of fuel nozzle system?
A.
B.
C.
D.
26.  (022) Within the ET&D program, to whom do flightline personnel transfer collected data for analysis?
A.
B.
C.
D.
27.  (609) How much change in rpm does the compensating network in the synchrophaser unit allow the speed bias motor to correct?
A.
B.
C.
D.
28.  (240) On which module of an F100–PW–220 engine is the stator generator mounted?
A.
B.
C.
D.
29.  (815) What procedure is used to ensure the fan and low pressure turbine are correctly balanced?
A.
B.
C.
D.
30.  (002) You may attend the ALS after having how many months in the Air Force?
A.
B.
C.
D.
31.  (027) What is the purpose of the Lead the Fleet/Pacer programs?
A.
B.
C.
D.
32.  (803) An understanding of the operating principles of engine instruments will help you decide
A.
B.
C.
D.
33.  (601) On the 54H60–91 propeller, which component delivers the actual propeller blade angle from the blade to the control assembly?
A.
B.
C.
D.
34.  (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.
35.  (840) If the turbine nozzles are burned out uniformly around the whole annulus from an overtemperature condition, this is known as a
A.
B.
C.
D.
36.  (604) On the 54H60–91 propeller, which pump is used to feather or unfeather the propeller during static propeller operation?
A.
B.
C.
D.
37.  (013) A Category I DR is used to report a deficiency
A.
B.
C.
D.
38.  (825) The two types of test cells currently used in the Air Force are
A.
B.
C.
D.
39.  (039) Copper tubing is not used on jet engines because it
A.
B.
C.
D.
40.  (227) Which valve in the propeller control assembly is actuated by the NTS actuator rod to increase propeller blade angle?
A.
B.
C.
D.
41.  (249) Which bearing is located in the LPT of the F119–PW–100 engine?
A.
B.
C.
D.
42.  (019) How can you tell when the text or a picture in a TO has been changed?
A.
B.
C.
D.
43.  (207) Which engine component meters fuel for combustion?
A.
B.
C.
D.
44.  (218) Before inspecting new jet engine bearings, you should
A.
B.
C.
D.
45.  (030) You adjust a micrometer by turning the
A.
B.
C.
D.
46.  (611) When you perform a static blade transition check and abnormal noises are detected, the 54H60–91 propeller must be returned to depot. What AFTO form must be documented and accompany the propeller back to depot?
A.
B.
C.
D.
47.  (415) The SEM/EDX analysis process differs from conventional oil analysis in which major aspect?
A.
B.
C.
D.
48.  (409) What term is used to indicate that air is being mixed with the oil in the oil pump to create pockets of air?
A.
B.
C.
D.
49.  (831) During an inspection, compressor blade defects that are within limits are
A.
B.
C.
D.
50.  (214) What is placed in front of the rotating blades in an engine turbine section?
A.
B.
C.
D.
51.  (808) On engines with afterburners, the position of the exhaust nozzle is converted into an electrical signal by a
A.
B.
C.
D.
52.  (022) The primary goal of the ET&D program is to prevent or limit damage to turbine engines by
A.
B.
C.
D.
53.  (036) To prevent damage to the soft metal surfaces and a lock washer is required, what should you use?
A.
B.
C.
D.
54.  (801) Aircraft power plant and engine intermediate maintenance technical orders (TO) contain information on troubleshooting. This information is presented in the form of
A.
B.
C.
D.
55.  (235) Which F108 major engine module provides for mounting of the front of the engine to the airframe?
A.
B.
C.
D.
56.  (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.
57.  (608) On the 54H60–91 propeller, what is the minimum psi required to release the feather latches and allow the piston to move forward?
A.
B.
C.
D.
58.  (613) During 54H60–91 propeller dynamic balancing, the propeller balance analyzer receive its two inputs from
A.
B.
C.
D.
59.  (821) To how many minutes should engine operation in afterburner be limited when the engine is operated in the aircraft noise suppressor?
A.
B.
C.
D.
60.  (610) Mechanical governing provides the foundation for what other propeller governing modes?
A.
B.
C.
D.
61.  (815) What is used to support the fan and low pressure turbine?
A.
B.
C.
D.
62.  (228) Which components comprise the torquemeter assembly?
A.
B.
C.
D.
63.  (607) On the 54H60–91 propeller, during beta range operation, what moves the pilot valve?
A.
B.
C.
D.
64.  (607) On the 54H60–91 propeller, during an underspeed condition, what moves the pilot valve?
A.
B.
C.
D.
65.  (212) Which facet of engine design helps prevent igniter plug fouling?
A.
B.
C.
D.
66.  (026) To document information concerning the status of engine TCTO, use AFTO Form
A.
B.
C.
D.
67.  (440) What are the two main types of augmentor (afterburner) ignition systems?
A.
B.
C.
D.
68.  (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.
69.  (030) Micrometers are generally used to make measurements to an accuracy of
A.
B.
C.
D.
70.  (608) On the 54H60–91 propeller, during feathering operation, the feather valve is positioned to meter hydraulic fluid to the
A.
B.
C.
D.
71.  (041) Which TO covers the disposition of engines removed from aircraft involved in mishaps?
A.
B.
C.
D.
72.  (203) Which section of a jet engine keeps the compressor rotating?
A.
B.
C.
D.
73.  (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.
74.  (020) Which AFTO IMT 22 recommendation would you submit which, if not corrected, could cause personnel injury or damage to equipment or property?
A.
B.
C.
D.
75.  (431) The T56 engine anti-icing solenoid valve is
A.
B.
C.
D.
76.  (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.
77.  (001) Who monitors flying and maintenance schedules, and maintains visibility of fleet health indicators?
A.
B.
C.
D.
78.  (602) On the 54H60–91 propeller, during normal propeller operation, the output of which pumps is used?
A.
B.
C.
D.
79.  (216) The purpose of the exhaust duct is to
A.
B.
C.
D.
80.  (832) On a disassembled engine, a visual inspection of the combustion chamber is preferred over a borescope inspection because
A.
B.
C.
D.
81.  (408) Which type of oil cooler operates on the same principle as a radiator in an automobile?
A.
B.
C.
D.
82.  (801) To become an expert troubleshooter, you must
A.
B.
C.
D.
83.  (202) The tendency of an object at rest to remain at rest and the tendency of an object in motion to continue its motion in a straight line at the same speed is called
A.
B.
C.
D.
84.  (036) Proper bolt length allows a minimum of how many threads protruding the nut?
A.
B.
C.
D.
85.  (822) The hush house exhaust deflector is constructed of
A.
B.
C.
D.
86.  (810) The pressures used in the operation of the engine pressure ratio (EPR) system are the
A.
B.
C.
D.
87.  (404) On the F100-PW–220 engine, which component controls the augmentor fuel control?
A.
B.
C.
D.
88.  (817) When connected to the engine, which piece of F100-PW–100 engine test equipment becomes an engine electronic control (EEC)?
A.
B.
C.
D.
89.  (421) What component monitors the AE2100D3 ignition exciters spark rate?
A.
B.
C.
D.
90.  (404) Which F100-PW–220 engine fuel system component controls pressurization of the core engine fuel system?
A.
B.
C.
D.
91.  (407) Which T56 engine component sends the fuel to the fuel manifold?
A.
B.
C.
D.
92.  (033) The Fluke 8025A multimeter control that is used to set the meter to check for AC and DC is the
A.
B.
C.
D.
93.  (404) On an F100-PW–220 engine, the MFC is capable of operating in how many modes?
A.
B.
C.
D.
94.  (833) To borescope the high-pressure turbine (HPT) rotor blades, rotate the rear compressor by using the core engine rotating device on the
A.
B.
C.
D.
95.  (420) On early ignition systems, what is the purpose of compositors in an ignition system?
A.
B.
C.
D.
96.  (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.
97.  (614) Which R391 Dowty propeller component routes engine oil to and from the cylinder and piston?
A.
B.
C.
D.
98.  (047) On the personnel maintenance platforms, the purpose of the platform safety lockpins is to
A.
B.
C.
D.
99.  (213) Swirl-type fuel nozzles usually are used to provide what type of flame speed?
A.
B.
C.
D.
100.  (811) The test cell IC temperature indicator displays temperatures in degrees Fahrenheit, with a range of
A.
B.
C.
D.
101.  (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.
102.  (017) What section of the IPB contains an explanation of the coding used in the IPB?
A.
B.
C.
D.
103.  (810) What is used to indicate the amount of thrust a dual-compressor engine is producing?
A.
B.
C.
D.
104.  (608) On the 54H60–91 propeller, after the NTS system actuator rod positions the mechanical linkage in the valve housing when a negative torque condition occurs, what component is shifted?
A.
B.
C.
D.
105.  (249) What drives the IFM in the F119–PW–100 engine?
A.
B.
C.
D.
106.  (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.
107.  (805) The fuel system component of a jet engine that operates by using a water wheel concept is the
A.
B.
C.
D.
108.  (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.
109.  (229) For the safety coupling to disconnect the power unit from the RGB, torque must reach between
A.
B.
C.
D.
110.  (230) The stationary (stator) vane blades on the T56 compressor are used to
A.
B.
C.
D.
111.  (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.
112.  (810) Inlet pressure (Pt2) is transmitted from its sensing point
A.
B.
C.
D.
113.  (411) What is used to check the oil level in a F108-CF–100 engine?
A.
B.
C.
D.
114.  (224) On the T56 turboprop engine, there are mounting pads on the aft side of the accessory drive for the fuel control, fuel pump, and
A.
B.
C.
D.
115.  (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.
116.  (226) What is not a propeller brake positions?
A.
B.
C.
D.
117.  (824) When testing a TF34 engine at test cell, which test is performed to ensure all operating limits and schedules from idle to maximum power are within limits?
A.
B.
C.
D.
118.  (828) When an engine arrives for a test run at the test cell, it must
A.
B.
C.
D.
119.  (826) Engines are mounted in the fixed test cell on a thrust stand or are suspended
A.
B.
C.
D.
120.  (839) What is the probable cause of compressor rotor shift?
A.
B.
C.
D.
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