Airman Knowledge Test Question Bank

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Airman Knowledge Test Question Bank

航空

02/17/2005 BankAviation 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.