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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶动力装置

单项选择题

The cooling liquid used for the cylinder may be referred to as （）.

A.jacket water
B.make-up water
C.boiler water
D.flushing water

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The cooler as the liquid becomes, （）.

A.the faster it will evaporate
B.the slower it will condense
C.the slower it will evaporate
D.the faster it will flow
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The connecting rod large end bearing shell generally has tags for location and oil grooves round the center of its axial length which correspond with grooves in the （） through which oil is transmitted up the rod to lubricate the small end.

A.connecting rod
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The conclusion that mechanical efficiency is always （） 100 percent is correct.

A.small than
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