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To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorterThis results in __________.
A.less piston slap and quieter running
B.increased crankshaft bearing wear
C.slightly greater piston wear
D.decreased side pressures
参考答案
更多 “ To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorterThis results in __________.A.less piston slap and quieter runningB.increased crankshaft bearing wearC.slightly greater piston wearD.decreased side pressures ” 相关考题
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