Aircraft Volume 3 Unit Review Exercises
- 1.1. (401) What type of fuselage construction uses a fabric or thin metal covering, and may be found on small, lightweight aircraft?
- A.
Truss.
- B.
Cantilever.
- C.
Monocoque.
- D.
Semimonocoque
- 2.2. (401) The primary structural components of an aircraft wing include the spars, ribs, and
- A.
Skin.
- B.
Stringers.
- C.
Empennage.
- D.
Trailing edge.
- 3.3. (401) Which assembly includes the aft end of the fuselage of conventionally designed aircraft?
- A.
Fairing.
- B.
Ailerons.
- C.
Empennage.
- D.
Trailing edge.
- 4.4. (402) Which of the following are examples of secondary flight controls?
- A.
Ailerons.
- B.
Rudders.
- C.
Trim tabs.
- D.
Elevators.
- 5.5. (403) Low observable (LO) technology allows modern aircraft to avoid
- A.
Enemy aircraft.
- B.
Enemy radar.
- C.
Friendly forces.
- D.
Night flying incidents.
- 6.6. (404) The situation that describes an ideal installation of a bolt on an aircraft component is the grip length of the bolt is
- A.
Slightly shorter than the thickness of the materials being joined.
- B.
The same as the thickness of the materials being joined.
- C.
Slightly longer than the materials being joined.
- D.
Much longer than the materials being joined.
- 7.7. (404) The size of a bolt is generally stated in terms of its
- A.
Weight, diameter, and head size.
- B.
Head size, grip length, and weight.
- C.
Length, weight, and threads per inch.
- D.
Diameter, length, and threads per inch.
- 8.8. (404) What type of bolt is used where standard-type bolt is impractical?
- A.
Clevis.
- B.
Eyebolt.
- C.
Twelve point.
- D.
Stud.
- 9.9. (405) For which aircraft application should a self-locking nut not be installed?
- A.
Attachment of a pulley.
- B.
Attachment of an antifriction bearing.
- C.
Mounting an accessory near the engine.
- D.
Connecting sections of a movable joint.
- 10.10. (406) Which type of rivet is used on the top skin surface of an aircraft?
- A.
Flathead.
- B.
Countersunk.
- C.
Roundhead.
- D.
Brazier head.
- 11.11. (406) Which is a feature of the hi-lok type of fastener?
- A.
It is a single-part fastener
- B.
It can easily be overtorqued.
- C.
It can be installed with hand tools.
- D.
It is a low-strength threaded fastener.
- 12.12. (407) What type of tubing is used in high-pressure systems such as the landing gear system?
- A.
Copper.
- B.
Stainless steel.
- C.
Titanium alloy.
- D.
Aluminum alloy.
- 13.13. (408) Flexible hose is used in areas of the aircraft
- A.
Which are subject to great amount of vibration.
- B.
Which are not subject to vibration.
- C.
Where flexibility is not required.
- D.
Where rigidity is required.
- 14.14. (408) Which example is not acceptable regarding the installation of a flexible hose assembly?
- A.
Use oil to aid the installation of a self-sealing hose.
- B.
Install the hose so that it will not be subjected to twisting.
- C.
Ensure clamps are not so tight that they restrict flow.
- D.
Support the hose at least every 24 inches of length.
- 15.16. (410) What is the maximum number of widely-spaced bolts that may be safety-wired together using the double-twist method?
- A.
2.
- B.
3.
- C.
4.
- D.
5.
- 16.15. (409) What is the first step when removing a V-band type coupling?
- A.
Remove the nut.
- B.
Cut the safety wire.
- C.
Remove the snap rings.
- D.
Pull back on the.
- 17.17. (410) What minimum diameter safety wire should be installed on bolts having a .050-inch drilled hole?
- A.
.020-inch.
- B.
.028-inch.
- C.
.032-inch.
- D.
.045-inch
- 18.18. (411) Why is the use of cotter pins on aircraft systems favorable?
- A.
They can be reused after removal.
- B.
They are stronger than safety wire.
- C.
They are less expensive than other pins.
- D.
They can be removed and installed quickly.
- 19.19. (412) During an integral tank inspection, you discover an area at which the protective coating is scarred and the metal is discolored. Pitting has also occurred to a depth of one mil (0.001 inch). What degree of corrosion has taken place?
- A.
Light.
- B.
Severe.
- C.
Moderate.
- D.
Intermediate.
- 20.20. (413) When installing removable screws and bolts, what portion is coated with sealant?
- A.
Install only nonmetal hardware and clamps.
- B.
Spray all metal surfaces to be installed with SAE–10 oil.
- C.
Paint all exposed metal on the clamp and attaching hardware.
- D.
Coat the lower side of the heads of screws and bolts with sealant.
- 21.21. (414) What types of hammers are used in fuel systems maintenance?
- A.
Mallets and claw hammers.
- B.
Claw and ball-peen hammers.
- C.
Soft-faced mallets and ball-peen hammers.
- D.
Mallets and plastic-face hammers.
- 22.22. (414) Which type of wrench should you use to tighten an internal wrenching nut?
- A.
Adjustable jaw.
- B.
Recessed.
- C.
Socket.
- D.
Allen.
- 23.23. (415) What should you use to clean tools that are extremely greasy and grimy?
- A.
JP–4 or gasoline.
- B.
Approved cleaning solvent.
- C.
Methyl ethyl ketone (MEK).
- D.
Aluminum oxide abrasive cloth.
- 24.24. (416) How many foot-pounds of torque are produced by 120 inch-pounds of force on a breakaway-type torque wrench?
- A.
10.
- B.
12.
- C.
20.
- D.
60.
- 25.25. (417) What powered tool would you use to remove access door screws?
- A.
Impact wrench.
- B.
Speed handle.
- C.
Air hammer.
- D.
Electric drill with adapter.
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