2a651 Eoc Practice Test All Volumes

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2A651 EOC Practice Test

  
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1.  (228) The torquemeter exciter wheels are in phase when
A.
B.
C.
D.
2.  (204) Which type of horsepower is delivered to the propeller for useful work?
A.
B.
C.
D.
3.  (823) After running an engine in augmentation in the hush house, the augmentor tube is cooled by running the engine at idle for a period of
A.
B.
C.
D.
4.  (008) From what perspective does the RSS manage supply?
A.
B.
C.
D.
5.  (421) From where does the AE2100D3 ignition system receive its electrical power?
A.
B.
C.
D.
6.  (811) When properly adjusted, the accuracy of the test cell N1 and N2 speed indicator will be within
A.
B.
C.
D.
7.  (034) How many range settings does the Fluke 8025A multimeter have?
A.
B.
C.
D.
8.  (411) What is used to check the oil level in a F108-CF–100 engine?
A.
B.
C.
D.
9.  (044) How many pins secure the adapters to the shipping container support?
A.
B.
C.
D.
10.  (440) What component heats augmentor fuel to provide better vaporization and combustion?
A.
B.
C.
D.
11.  (023) What drives the creation of a CRP?
A.
B.
C.
D.
12.  (440) What are the two main types of augmentor (afterburner) ignition systems?
A.
B.
C.
D.
13.  (602) On the 54H60–91 propeller, during normal propeller operation, the output of which pumps is used?
A.
B.
C.
D.
14.  (829) You can get information such as temperature and barometric pressure from equipment at the test cell site or from
A.
B.
C.
D.
15.  (030) You adjust a micrometer by turning the
A.
B.
C.
D.
16.  (601) On the 54H60–91 propeller, which pitchlock component mechanically holds the stationary and rotating pitchlock ratchets apart during reversing and unfeathering operations?
A.
B.
C.
D.
17.  (238) On the F108 engine, the LPT shaft assembly connects the fan shaft with the
A.
B.
C.
D.
18.  (612) When the ambient temperature is greater than 65°F and a patch is bonded to the blade fairing, what is the recommended drying time before running the repaired propeller on the aircraft engine?
A.
B.
C.
D.
19.  (216) The purpose of the exhaust duct is to
A.
B.
C.
D.
20.  (249) On the F119–PW–100 engine, which of the following is not attached to the gearbox assembly?
A.
B.
C.
D.
21.  (609) Where is the pickup portion of the pulse generator located?
A.
B.
C.
D.
22.  (623) The modulating and shutoff valve on a GTCP165 engine will be fully open at what percent rpm?
A.
B.
C.
D.
23.  (614) What R391 Dowty propeller assembly part provides an aerodynamic faring over the aft section of the hub?
A.
B.
C.
D.
24.  (812) During vibration analysis, frequency is usually measured in
A.
B.
C.
D.
25.  (210) The two forces that air is subjected to after it is drawn into the guide vanes of a centrifugal compressor are
A.
B.
C.
D.
26.  (610) Mechanical governing provides the foundation for what other propeller governing modes?
A.
B.
C.
D.
27.  (441) The F100 engine augmentor’s primary nozzle actuator is driven by cables from the
A.
B.
C.
D.
28.  (244) Major components of the F100–PW–220 engine augmentor duct and nozzle module are nozzle actuators, nozzle assembly, and
A.
B.
C.
D.
29.  (243) Which bearing is located in the fan drive turbine module on an F100–PW–220 engine?
A.
B.
C.
D.
30.  (431) The T56 engine anti-icing solenoid valve is
A.
B.
C.
D.
31.  (229) For the safety coupling to disconnect the power unit from the RGB, torque must reach between
A.
B.
C.
D.
32.  (413) Bleed air flowing through which component increases airflow through the cooler?
A.
B.
C.
D.
33.  (814) The filter selector switch on the vibration analyzer is used to
A.
B.
C.
D.
34.  (203) Which section of a jet engine introduces and burns fuel?
A.
B.
C.
D.
35.  (835) A basic post-flight inspection (BPO) is done
A.
B.
C.
D.
36.  (604) On the 54H60–91 propeller, which type of valve opens to allow the output of the standby pump to combine with the output of the main pump?
A.
B.
C.
D.
37.  (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.
38.  (812) What type of vibration causes unnecessary engine removals and unwarranted repairs?
A.
B.
C.
D.
39.  (224) The major sections of a turboprop engine are the power unit, torquemeter assembly, and
A.
B.
C.
D.
40.  (616) For the R391 Dowty propeller, what component provides blade angle feedback to the FADEC by two RVDT?
A.
B.
C.
D.
41.  (228) The amount of twisting deflection is determined by the
A.
B.
C.
D.
42.  (834) During what inspection phase are operational checks made according to the technical order (TO)?
A.
B.
C.
D.
43.  (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.
44.  (035) When operating a borescope, what part of the borescope illuminates the interior of the area you are inspecting?
A.
B.
C.
D.
45.  (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.
46.  (213) Swirl-type fuel nozzles usually are used to provide what type of flame speed?
A.
B.
C.
D.
47.  (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.
48.  (413) The valve that allows fluid to flow in only one direction is the
A.
B.
C.
D.
49.  (429) On an F108 engine, anti-ice air is ducted from which manifold?
A.
B.
C.
D.
50.  (013) A Category I DR is used to report a deficiency
A.
B.
C.
D.
51.  (828) Which engine area should be checked for foreign object damage (FOD) prior to operation on the test cell facility?
A.
B.
C.
D.
52.  (405) The F108 engine fuel pump contains a low-pressure stage (centrifugal boost stage) and a high-pressure
A.
B.
C.
D.
53.  (035) The type of borescope that uses miniature TV camera images is a
A.
B.
C.
D.
54.  (225) In the T56 engine, which RGB component rotates at the same speed as the power unit rotors?
A.
B.
C.
D.
55.  (841) Bearing failure from moisture, lack of protective oils, improper handling, or improper storage could cause
A.
B.
C.
D.
56.  (005) FOD is normally caused by
A.
B.
C.
D.
57.  (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.
58.  (007) For hazardous waste disposal, it is unlikely the Air Force can justify
A.
B.
C.
D.
59.  (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.
60.  (225) What is the total gear reduction ratio of the RGB?
A.
B.
C.
D.
61.  (612) The term “No. 320 grit” refers to which feature of sandpaper?
A.
B.
C.
D.
62.  (608) On the 54H60–91 propeller, during feather operation, between approximately what psi are the pressure cutout switch contacts opened?
A.
B.
C.
D.
63.  (818) You can find written instructions for safe flight line vehicle operations in
A.
B.
C.
D.
64.  (418) The slide-type resistor in the EGT circuit is used to
A.
B.
C.
D.
65.  (030) The longest calibrated movement between the spindle and anvil of an outside micrometer is
A.
B.
C.
D.
66.  (424) Oil is supplied to the F–15 JFS through the
A.
B.
C.
D.
67.  (806) Two units that work together to indicate that the oil system is operating correctly are the oil pressure
A.
B.
C.
D.
68.  (618) On an GTCP165 engine, turbine discharge temperature is controlled by the
A.
B.
C.
D.
69.  (026) You should record the removal and replacement of engine accessories on which one of the following AFTO Forms?
A.
B.
C.
D.
70.  (836) What inspection is done on aircraft parts that require infrequent inspections?
A.
B.
C.
D.
71.  (245) On an F100–PW–220 engine, the gearbox module is driven by the rear compressor through
A.
B.
C.
D.
72.  (039) What type of hoses should you never use oil as an aid to installing?
A.
B.
C.
D.
73.  (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.
74.  (224) On the T56 turboprop engine, which compressor section assembly disperses compressor discharge air and directs it to the combustion chambers?
A.
B.
C.
D.
75.  (011) Which form is attached to items that are awaiting parts or maintenance?
A.
B.
C.
D.
76.  (228) Which components comprise the torquemeter assembly?
A.
B.
C.
D.
77.  (403) What type of fuel control uses items such as thermocouples, relays, amplifiers, and solenoids to help control a jet engine?
A.
B.
C.
D.
78.  (206) What is the sea-level atmospheric pressure at “standard day” conditions?
A.
B.
C.
D.
79.  (005) Who has overall responsibility for the FOD program?
A.
B.
C.
D.
80.  (036) The grip length of a bolt should be a few thousandths of an inch shorter than the material it is holding to
A.
B.
C.
D.
81.  (618) On an GTCP165 engine, air is compressed by the single-stage centrifugal compressor assembly, and then discharged into
A.
B.
C.
D.
82.  (407) What T56 engine controls the rotary movement of the fuel control metering valve?
A.
B.
C.
D.
83.  (803) An understanding of the operating principles of engine instruments will help you decide
A.
B.
C.
D.
84.  (607) On the 54H60–91 propeller, during an underspeed condition, what moves the pilot valve?
A.
B.
C.
D.
85.  (201) Which type of duct would decrease the velocity and increase the pressure of a gas as it passes through?
A.
B.
C.
D.
86.  (207) Which engine component meters fuel for combustion?
A.
B.
C.
D.
87.  (232) What are used to retain the turbine buckets in the first-stage wheel of the T56–A–15 engine?
A.
B.
C.
D.
88.  (430) On an F110-GE–129 engine, the anti-icing system prevents detrimental formation and accumulation of ice on front frame struts, forward centerbody, and
A.
B.
C.
D.
89.  (002) You may attend the ALS after having how many months in the Air Force?
A.
B.
C.
D.
90.  (833) Through extensive testing, engine manufacturers determine how long a particular part should last. This is known as the
A.
B.
C.
D.
91.  (810) Inlet pressure (Pt2) is transmitted from its sensing point
A.
B.
C.
D.
92.  (811) The direct oil pressure gauge on a test cell is connected to an engine oil pressure line. This configuration will indicate oil pressure without using wiring, indicator, or
A.
B.
C.
D.
93.  (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.
94.  (404) Which F100-PW–220 engine fuel system component controls pressurization of the core engine fuel system?
A.
B.
C.
D.
95.  (827) The noise suppressor at a portable test cell is not equipped with
A.
B.
C.
D.
96.  (821) How many primary air silencers are there on aircraft noise suppressors to help reduce turbine whine?
A.
B.
C.
D.
97.  (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.
98.  (248) Which bearing compartment is contained in the intermediate case of the F119–PW–100 engine?
A.
B.
C.
D.
99.  (803) Most engine monitoring gauges and instruments require some type of
A.
B.
C.
D.
100.  (433) Once the cooling airflow has done its job of cooling the turbine section, where does it go?
A.
B.
C.
D.
101.  (416) Which part of a generator acts as an automatic switching device, changing alternating current to direct current?
A.
B.
C.
D.
102.  (234) What components mount on the front face of the AGB on the T700 engine?
A.
B.
C.
D.
103.  (039) Copper tubing is not used on jet engines because it
A.
B.
C.
D.
104.  (233) On the AE2100D3, the forward engine mounts are located on the
A.
B.
C.
D.
105.  (204) Which method of producing thrust does a turboprop engine use?
A.
B.
C.
D.
106.  (034) What is the maximum voltage that can be measured if the range button is set at 30 on the Fluke 8025A multimeter?
A.
B.
C.
D.
107.  (041) Which TO covers the disposition of engines removed from aircraft involved in mishaps?
A.
B.
C.
D.
108.  (828) Which of these is not considered a cause of foreign object damage (FOD)?
A.
B.
C.
D.
109.  (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.
110.  (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.
111.  (442) On an F110-GE–129 augmentor variable nozzle, uniform movement and geometric stability of the nozzle is provided by
A.
B.
C.
D.
112.  (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.
113.  (810) The pressures used in the operation of the engine pressure ratio (EPR) system are the
A.
B.
C.
D.
114.  (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.
115.  (427) On the T56 engine, which switch energizes the starter control valve to the OPEN position?
A.
B.
C.
D.
116.  (434) On an F108-CF–100 engine, the variable bleed valves bleed air from the
A.
B.
C.
D.
117.  (226) What is not a propeller brake positions?
A.
B.
C.
D.
118.  (233) The AE2100D3 engine mount is divided into how many major structures?
A.
B.
C.
D.
119.  (840) Turbine rotor blade failure usually occurs near the
A.
B.
C.
D.
120.  (035) Which factor is not considered for borescope operator certification?
A.
B.
C.
D.
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