輪機(jī)英語(yǔ)船舶動(dòng)力裝置章節(jié)練習(xí)(2018.01.20)

來源：考試資料網(wǎng)

1 Sea water is not directly used as a coolant for engines because of its （）.

2 If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause maybe （）.

3 Friction developing between the moving parts of a governor, governor linkage and control valve will cause the governor to （）.

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4 The conclusion that mechanical efficiency is always （） 100 percent is correct.

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5 A diesel engine burns （） a gasoline engine of the same capacity in the same period of time.

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6 Once a scavenge fire is detected, fuel should be shut off from the affected cylinders and cylinder lubrication increased （） the risk of seizure.

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7 The cooling water is in direct contact with the outer surface of the liner as a result of which it is termed a （）.

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8 Each cylinder liner on the marine medium speed engines （）.

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9 If the temperature drops low enough, oil will not flow, （） just tell us the temperature.

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10 What is the speed of the crankshaft in a four-stroke/cycle engine when the camshaft is turning at 750 rpm?（）

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