2A654 Volume 3
Volume three of the Air Force's aircraft fuel systems journeyman course
- 1.
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
Correct Answer
A. Truss -
- 2.
In what type of aircraft fuselage construction does weight become a problem?
- A.
Truss
- B.
Cantilever
- C.
Monocoque
- D.
Semimonocoque
Correct Answer
C. Monocoque -
- 3.
Which assembly includes the aft end of the fuselage of conventionally designed aircraft?
- A.
Fairing
- B.
Ailerons
- C.
Empennage
- D.
Trailing edge
Correct Answer
C. Empennage -
- 4.
Which flight control surface controls the directional movement about the axis of an aircraft?
- A.
Critical
- B.
Primary
- C.
Auxiliary
- D.
Secondary
Correct Answer
B. Primary -
- 5.
Which of the following are examples of secondary flight controls?
- A.
Ailerons
- B.
Rudders
- C.
Trim tabs
- D.
Elevators
Correct Answer
C. Trim tabs -
- 6.
Which situation describes an ideal installation of a bolt on an aircraft component?
- A.
The grip length of the bolt is slightly shorter than the thickness of the materials being joined.
- B.
The grip length of the bolt is the same as the thickness of the materials being joined.
- C.
The grip length of the bolt is is slightly longer than the thickness of the materials being joined.
- D.
The grip length of the bolt is much longer than the thickness of the materials being joined.
Correct Answer
A. The grip length of the bolt is slightly shorter than the thickness of the materials being joined. -
- 7.
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
Correct Answer
D. Diameter, length, and threads per inch -
- 8.
For which of the following aircraft applications 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
Correct Answer
D. Connecting sections of a movable joint -
- 9.
What item of hardware should be installed with scrrews and bolts whenever the self-locking or castellated nut is not used?
- A.
Cotter pins
- B.
Safety wire
- C.
Lockwashers
- D.
Plain washers
Correct Answer
C. Lockwashers -
- 10.
Which type of rivet is used on the top skin surface of an aircraft?
- A.
Flathead
- B.
Countersunk
- C.
Roundhead
- D.
Brazier head
Correct Answer
B. Countersunk -
- 11.
What type of fastener is installed in an integral tank where access to only one side of the work is possible?
- A.
Brazier head rivet
- B.
Nut and bolt
- C.
Jo-bolt
- D.
Hi-lok
Correct Answer
C. Jo-bolt -
- 12.
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
Correct Answer
B. Stainless steel -
- 13.
For what reason is aluminum alloy tubing the most widely used?
- A.
It can withstand high pressures
- B.
It is easily flared with hand tools
- C.
It is generally heavier than other types
- D.
It resists dents better than other types
Correct Answer
B. It is easily flared with hand tools -
- 14.
What condition will likely result from the contact of tubing with a surrounding surface?
- A.
Galling
- B.
Chafing
- C.
Scratching
- D.
Delamination
Correct Answer
B. Chafing -
- 15.
Which type of tubing defect would be considered acceptable?
- A.
A dent measuring 35% of the tubing diameter
- B.
A scratch that measures 25% of the tubing wall thickness
- C.
Several nicks measuring 15% of the tubing wall thickness
- D.
A dent on the heel of a bend with less than the recommended radius
Correct Answer
C. Several nicks measuring 15% of the tubing wall thickness -
- 16.
Which type of hose is a medium pressure Teflon hose with an operating temperature of 65 to 450* F?
- A.
MIL-H-8794
- B.
MIL-H-7938
- C.
MIL-H-7061
- D.
MIL-H-27267
Correct Answer
C. MIL-H-7061 -
- 17.
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
Correct Answer
A. Use oil to aid the installation of a self-sealing hose -
- 18.
What type of manifold coupling consists of a body, nut, split washers, o-rings, and a retainer?
- A.
V-band
- B.
Wiggins
- C.
Pneumatic
- D.
Quick-disconnect
Correct Answer
B. Wiggins -
- 19.
What part of a Wiggins coupling provides the sealing action?
- A.
O-ring
- B.
Gasket
- C.
Snap ring
- D.
Split washer
Correct Answer
A. O-ring -
- 20.
What minimum diameter safety wire should be installed on bolts having a .050-inch drilled hole?
- A.
.020
- B.
.028
- C.
.032
- D.
.045
Correct Answer
C. .032 -
- 21.
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
Correct Answer
D. They can be removed and installed quickly -
- 22.
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 or one mil. What degree of corrosion has taken place?
- A.
Light
- B.
Severe
- C.
Moderate
- D.
Intermediate
Correct Answer
A. Light -
- 23.
Moderate corrosion is normally removed from an aircraft surface by
- A.
Light hand scrubbing
- B.
Scrubbing with steel wool
- C.
Light mechanical sanding
- D.
Brushing with a steel wire brush
Correct Answer
C. Light mechanical sanding -
- 24.
The extent of corrosion on an aircraft surface depends on which of the following factors?
- A.
The methods used to wash or clean the area
- B.
The type of metal affected by the corrosion
- C.
The ambient temperature at which the aircraft is located
- D.
The length of time electrolytes are in contact with the metals
Correct Answer
D. The length of time electrolytes are in contact with the metals -
- 25.
Which area may be a prime location for fungus growth because of condensational buildup?
- A.
Fuel manifold
- B.
Landing area
- C.
Integral tank
- D.
Exhaust ducting
Correct Answer
C. Integral tank -
- 26.
How can you prevent damage to a screw head?
- A.
Replace screws frequently
- B.
Use correct size screwdriver
- C.
Use a chisel on overtorqued screws
- D.
Use oversized screwdriver for a snug fit
Correct Answer
B. Use correct size screwdriver -
- 27.
Which punch is used to drive out pins that are too deep for a starting or drift punch?
- A.
Straight
- B.
Center
- C.
Prick
- D.
Pin
Correct Answer
D. Pin -
- 28.
Which type of wrench should you use to tighten an internal wrenching nut?
- A.
Adjustable jaw
- B.
Recessed
- C.
Socket
- D.
Allen
Correct Answer
D. Allen -
- 29.
What should you use to clean tools that are extremely greasy and grimy?
- A.
JP-4 or gasoline
- B.
Approved cleaning solvent
- C.
MEK
- D.
Aluminum oxide abrasive cloth
Correct Answer
B. Approved cleaning solvent -
- 30.
Which is a feature of a T-handle type torque qrench?
- A.
Is difficult to use
- B.
Has a preset torque
- C.
Can be adjusted in small increments
- D.
Can possibly over-tighten a fastener
Correct Answer
B. Has a preset torque -
- 31.
What powered tool is often used to remove access door screws?
- A.
Impact wrench
- B.
Speed handle
- C.
Air hammer
- D.
Electric drill with adapter
Correct Answer
A. Impact wrench -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Jan 07, 2013Quiz Edited by
ProProfs Editorial Team -
Sep 20, 2009Quiz Created by
Dreynolds86
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