Airman Knowledge Test Question Bank
**** Hidden Message ***** 02/17/2005Bank:(Aviation Mechanic Powerplant)
Airman Knowledge Test Question Bank
The FAA computer-assisted testing system is supported by a
series of supplement publications.These publications，
available through several aviation publishers，include the
graphics，legends，and maps that are needed to successfully
respond to certain test items.Use the following URL to
download a complete list of associated supplement books:
http://av一info.faa.gov/data/computertesting/supplements.pdf
1 .A02P AMP
On which strokes are both valves on a four一stroke cycle reciprocating
aircraft engine open?
A) Power and exhaust.
B) Intake and compression·
C) Exhaust and intake.
2. A01 P AM P
Which statement is true regarding bearings used in high powered
reciprocating aircraft engines?
A) The outer race of a single row, self aligning ball bearing will always have
a radius equal to the radius of the balls.
B) There is less rolling friction when ball bearings are used than when roller
bearings are employed.
C) Crankshaft bearings are generally of the ball-type due to their ability to
withstand extreme loads without overheating.
3. A02P AMP
Master rod bearings are generally what type?
A) Plain.
B) Roller.
C) Ball.
4. A01 P AM P
A nine cylinder engine with a bore of 5.5 inches and a stroke of 6 inches will
have a total piston displacement of
A) 740 cubic inches. Airman Knowledge Test Question Bank 值得下载，谢谢
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