輪機(jī)英語船舶動力裝置單項(xiàng)選擇題每日一練(2019.01.24)

來源：考試資料網(wǎng)

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

2 A large change in ambient temperature, or using an oil of a viscosity different from the one recommended by the manufacturer in a mechanical hydraulic governor, will result in the need to adjust the （）.

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3 The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed （）.

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4 （） the cylinder will contain a great weight of air and will be capable of burning a great quantity of fuel.

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

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