2a651 Eoc Practice Test All Volumes

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1.  (608) On the 54H60–91 propeller, which valve is a backup in case the feather valve fails during feathering operation?
A.
B.
C.
D.
2.  (234) The T700 gas generator turbine rotor drives the
A.
B.
C.
D.
3.  (434) On an F108-CF–100 engine, the direction of the variable bleed valve rotation is controlled by the
A.
B.
C.
D.
4.  (006) During flightline and test cell operations, you may be exposed to
A.
B.
C.
D.
5.  (404) On an F100-PW–220 engine, the MFC is capable of operating in how many modes?
A.
B.
C.
D.
6.  (250) What is the nozzle module mounted to on the F119–PW–100 engine?
A.
B.
C.
D.
7.  (402) The purpose of a fuel/oil cooler in a fuel system is to
A.
B.
C.
D.
8.  (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.
9.  (027) Which is not a Lead the Fleet/Pacer program objective?
A.
B.
C.
D.
10.  (429) On an F108 engine, anti-ice air is ducted from which manifold?
A.
B.
C.
D.
11.  (809) One type of overheat detector unit used on aircraft engines consists of a hollow stainlesssteel tube that covers
A.
B.
C.
D.
12.  (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.
13.  (610) How many slave channels are contained on the master synchrophaser board in the synchrophaser unit?
A.
B.
C.
D.
14.  (041) The shroud-type cover consists of a buildup of how many layers of wrap?
A.
B.
C.
D.
15.  (806) The oil pressure indicator receives an electrical signal from the
A.
B.
C.
D.
16.  (609) Which board in the synchrophaser unit receives input signals that are compared together, modified, and used to control the speed bias motors?
A.
B.
C.
D.
17.  (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.
18.  (230) Which T56 compressor component supports the compressor rear bearing labyrinth seal?
A.
B.
C.
D.
19.  (415) Who is responsible for ensuring that the OAP operates properly?
A.
B.
C.
D.
20.  (043) To determine whether an engine stored in a shipping container is serviceable or repairable, look on the
A.
B.
C.
D.
21.  (413) The amount of ram air passing through the oil cooler core is regulated by the
A.
B.
C.
D.
22.  (616) On the R391 Dowty propeller, what does the DITU use to monitor itself for malfunctions?
A.
B.
C.
D.
23.  (841) Which characteristic is the most common cause of bearing failure?
A.
B.
C.
D.
24.  (233) The AE2100D3 power plant major assemblies are the PGB, torquemeter assembly, power section, accessory drives, and the
A.
B.
C.
D.
25.  (024) Depot level support includes CLSS crews, depot maintenance support, maintenance assistance, and
A.
B.
C.
D.
26.  (417) What provides the PTO shaft that is used to drive the CSD?
A.
B.
C.
D.
27.  (011) Which form is attached to items that are awaiting parts or maintenance?
A.
B.
C.
D.
28.  (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.
29.  (039) Why should dust caps be installed over tube ends rather than inside them?
A.
B.
C.
D.
30.  (210) A constructional feature of the centrifugal compressor is that the impeller
A.
B.
C.
D.
31.  (035) Which factor is not considered for borescope operator certification?
A.
B.
C.
D.
32.  (028) What would you use to hold your tools when you cannot locate your toolbox within arm’s reach?
A.
B.
C.
D.
33.  (034) How many range settings does the Fluke 8025A multimeter have?
A.
B.
C.
D.
34.  (439) The core reverser lock proximity sensors are mounted on the
A.
B.
C.
D.
35.  (047) Which maintenance platform can be adjusted from 3 to 7 feet?
A.
B.
C.
D.
36.  (035) The type of borescope that uses miniature TV camera images is a
A.
B.
C.
D.
37.  (611) When performing the blade tracking inspection on the 54H60–91 propeller, the calculated difference in blade tracks should not exceed what limit?
A.
B.
C.
D.
38.  (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.
39.  (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.
40.  (007) A common method for disposing of hazardous wasted is
A.
B.
C.
D.
41.  (206) To measure barometric pressure, you would use a
A.
B.
C.
D.
42.  (413) The power section and RGB oil systems are joined together at the
A.
B.
C.
D.
43.  (416) On a simple AC generator, which item takes the current from the slip rings to operate the electrical device?
A.
B.
C.
D.
44.  (608) On the 54H60–91 propeller, during feather operation, between approximately what psi are the pressure cutout switch contacts opened?
A.
B.
C.
D.
45.  (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.
46.  (609) Where is the pickup portion of the pulse generator located?
A.
B.
C.
D.
47.  (811) When properly adjusted, the accuracy of the test cell N1 and N2 speed indicator will be within
A.
B.
C.
D.
48.  (036) Proper bolt length allows a minimum of how many threads protruding the nut?
A.
B.
C.
D.
49.  (032) To avoid rust, measuring tools should never be stored where the relative humidity exceeds what percentage?
A.
B.
C.
D.
50.  (035) When operating a borescope, what part of the borescope illuminates the interior of the area you are inspecting?
A.
B.
C.
D.
51.  (405) On an F108-CF–100 engine, the fuel injectors contain
A.
B.
C.
D.
52.  (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.
53.  (414) The journeyman must be aware of which hazardous property of modern jet engine oil?
A.
B.
C.
D.
54.  (813) Which type of vibration transducer is made up of certain ceramic compounds and natural crystals?
A.
B.
C.
D.
55.  (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.
56.  (434) On an F108-CF–100 engine, the variable bleed valves bleed air from the
A.
B.
C.
D.
57.  (211) In a dual-spool compressor, rpm of the N2 compressor are determined by the
A.
B.
C.
D.
58.  (832) Defects (such as cracks) found during combustion chamber borescope inspections
A.
B.
C.
D.
59.  (808) On engines with afterburners, the position of the exhaust nozzle is converted into an electrical signal by a
A.
B.
C.
D.
60.  (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.
61.  (243) Which bearing is located in the fan drive turbine module on an F100–PW–220 engine?
A.
B.
C.
D.
62.  (610) To reduce the noise and vibration levels, synchrophasing mode of governing maintains all the propellers at
A.
B.
C.
D.
63.  (036) What type of bolt is used primarily in high-tension applications?
A.
B.
C.
D.
64.  (413) The valve that allows fluid to flow in only one direction is the
A.
B.
C.
D.
65.  (010) If you need detailed information concerning the AF IMT 2005 codes and entries, refer to AFMAN
A.
B.
C.
D.
66.  (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.
67.  (236) What percentage of the total engine thrust does the secondary airflow on the F108 engine produce?
A.
B.
C.
D.
68.  (046) What is used to help remove moisture from an area where engines are stored?
A.
B.
C.
D.
69.  (410) On an F100 engine, the breather pressurizing valve is internally mounted in the
A.
B.
C.
D.
70.  (841) Bearing failure from moisture, lack of protective oils, improper handling, or improper storage could cause
A.
B.
C.
D.
71.  (039) For a straight piece of tubing to remain serviceable, a dent must be less than what percentage of the tubing diameter?
A.
B.
C.
D.
72.  (013) A Category I DR is used to report a deficiency
A.
B.
C.
D.
73.  (609) The master synchrophaser board located in the synchrophaser unit contains a master channel and a slave channel. These channels are used by which propellers?
A.
B.
C.
D.
74.  (830) Responsibility for the proper preventive maintenance of a test cell facility rests with the
A.
B.
C.
D.
75.  (007) For hazardous waste disposal, it is unlikely the Air Force can justify
A.
B.
C.
D.
76.  (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.
77.  (423) The JFS is basically a
A.
B.
C.
D.
78.  (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.
79.  (839) Careless operation of the throttle during emergency system operation could cause a compressor stall due to
A.
B.
C.
D.
80.  (229) The purpose of the T56 safety coupling is to
A.
B.
C.
D.
81.  (835) A basic post-flight inspection (BPO) is done
A.
B.
C.
D.
82.  (602) On the 54H60–91 propeller, what is the function of the differential gear train assembly?
A.
B.
C.
D.
83.  (833) Using the wrong cleaning agent on a jet engine part
A.
B.
C.
D.
84.  (826) In the fixed test cell, air for the engine intake comes through baffles located on the
A.
B.
C.
D.
85.  (621) On an GTCP165 engine oil system, air that leaks past various oil seals exits through the
A.
B.
C.
D.
86.  (215) Why is the “fir tree” method of attaching turbine blades (buckets) to the turbine rotor disc preferred?
A.
B.
C.
D.
87.  (424) Which component provides an electrical safety cutoff for the JFS if the power turbine accelerates to a 110 percent overspeed condition?
A.
B.
C.
D.
88.  (420) On early ignition systems, the high-energy capacitor-type ignition system does not include a
A.
B.
C.
D.
89.  (412) What AE2100D3 component drives the PGB lube and scavenge pump?
A.
B.
C.
D.
90.  (610) For the 54H60–91 propeller to operate in the normal governing mode, the propeller governor control switch must be placed in the NORMAL position and what other conditions must be met?
A.
B.
C.
D.
91.  (605) The purpose of the 54H60–91 propeller pitchlock assembly is to prevent
A.
B.
C.
D.
92.  (823) During an inspection of the hush house you are not required to check the
A.
B.
C.
D.
93.  (438) What are the two types of thrust reversers?
A.
B.
C.
D.
94.  (238) On the F108 engine, the LPT shaft assembly connects the fan shaft with the
A.
B.
C.
D.
95.  (825) Which test cell noise suppressors use water to cool the exhaust gases?
A.
B.
C.
D.
96.  (607) On the 54H60–91 propeller, during an underspeed condition, what moves the pilot valve?
A.
B.
C.
D.
97.  (025) For how many categories of reporting does the CEMS establish and maintain records?
A.
B.
C.
D.
98.  (808) The exhaust nozzle position indicating system found on engines with afterburners is important because it
A.
B.
C.
D.
99.  (028) Carrying a hand tool in your pocket is potentially hazardous because it could cause
A.
B.
C.
D.
100.  (228) Which components comprise the torquemeter assembly?
A.
B.
C.
D.
101.  (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.
102.  (608) As the 54H60–91 propeller feathers, the output of which pump decreases (drops off)?
A.
B.
C.
D.
103.  (611) On the 54H60–91 propeller, if a nick is found on the metal portion of the blade when performing a blade inspection, which tool is used to measure the depth of the damage?
A.
B.
C.
D.
104.  (001) Which squadrons form a maintenance group?
A.
B.
C.
D.
105.  (421) From where does the AE2100D3 ignition system receive its electrical power?
A.
B.
C.
D.
106.  (410) On an F100-PW–220 engine, what component permits oil to bypass the oil filter during cold weather starts?
A.
B.
C.
D.
107.  (029) What type of rule should you use for measuring an inside diameter?
A.
B.
C.
D.
108.  (223) On an F108 engine, the radial drive shaft connects the core engine to the
A.
B.
C.
D.
109.  (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.
110.  (839) What section of a compressor blade is most likely to fail?
A.
B.
C.
D.
111.  (803) Most engine monitoring gauges and instruments require some type of
A.
B.
C.
D.
112.  (017) Which type of additional data is not provided in interactive electronic technical manuals (IETMS)?
A.
B.
C.
D.
113.  (438) In the mechanical blockage-type thrust reverser, when the reverser is not in use, what happens to the doors?
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.  (407) Which T56 engine component sends the fuel to the fuel manifold?
A.
B.
C.
D.
116.  (014) To become an equipment custodian, you must be appointed by the
A.
B.
C.
D.
117.  (030) You adjust a micrometer by turning the
A.
B.
C.
D.
118.  (232) What are used to retain the turbine buckets in the first-stage wheel of the T56–A–15 engine?
A.
B.
C.
D.
119.  (826) The vertical baffles in the exhaust stack of the fixed test cell are designed to remove
A.
B.
C.
D.
120.  (406) What supplies the AE2100D3 FADEC with power until engine RPM is sufficient for the alternator stator to take control?
A.
B.
C.
D.
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