輪機(jī)英語(yǔ)船舶動(dòng)力裝置單項(xiàng)選擇題每日一練(2019.01.15)

來(lái)源：考試資料網(wǎng)

1 When the fuel oil is burning in the combustion chamber, it （）.

2 The crank throws are displaced from （） to obtained the same number of degrees between the different crank throws.

3 Doors are generally formed in the （） of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing.

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4 The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.

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

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