正确答案: A

Ⅰ=Ⅱ

题目：关于可靠性的规定（）。Ⅰ.“完成规定功能”；Ⅱ.“不发生故障”；Ⅲ.“发生故障”

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学习资料的答案和解析：

[单选题]曲轴轴颈表面的腐蚀凹坑、锈斑，主要是滑油中含有（）。

水分和酸

[单选题]轴系两端轴的同轴度是通过测量轴系两端轴法兰上的（）来衡量。

总偏中值

[单选题]（） the supercharge pressure is, （） power an engine develops.

The higher；the more

[单选题]Engine （） refers to the relative time of position of crank, at which each operation during the cycle is commenced and is completed.

timing

[单选题]The position of the piston parts in relation to each other is secured by means of （） and a dowel pin in the crown.

machine-turned recesses

[单选题]The viscosity regulator controls （） in order to provide oil at the correct viscosity for combustion.

the fuel oil temperature

[单选题]Fusible plugs are installed in fire-tube boilers to （）.

warn the engineer of low water level

[单选题]High diesel engine cooling water temperatures can be caused by （）.

air in the cooling system

[单选题]Sudden unloading of a diesel engine can cause（）.

overspeed tri