正确答案: C

either A or B

题目：Low compression results from （）.

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学习资料的答案和解析：

[单选题]对于可靠性和可靠度的表述，不能采用的是（）。

可靠性与可靠度都有严格的定义，任何时候都不可混同起来

[单选题]柴油机某缸连杆已装的状态下，盘车一周可测得曲轴（）个臂距值。

5

[单选题]Each cylinder has one starting valve which is usually opened by air pressure and closed by （）

spring force

[单选题]In the （） pressure charging system the pulse of energy that occur as the exhaust is released from the cylinder to improve the output of the turbocharger.

pulse

[单选题]Rotating flyweights acting against spring pressure make a simple type of （）.

governor

[单选题]The amount of lubricating oil in the drain tank should be checked by （）.

sounding rod

[单选题]The main bearing shells often have a thin （） of lead or indium to provide a layer giving protection against corrosion.

flash

[单选题]Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.

heated to reduce viscosity