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輪機(jī)英語(yǔ)船舶動(dòng)力裝置單項(xiàng)選擇題每日一練(2019.01.19)
來(lái)源：考試資料網(wǎng)
1
Cooling enables the engine metals （） their mechanical properties.
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2
The loss of （） from an air compressor could lead to an overheated air discharge and possibly an explosion in the pipelines leading to the air reservoir.
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3
Which of the following may take place if the clearance of the main bearings are excessive?（）
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4
When a crankshaft has to be handled outside the engine, it should be carefully supported in a manner which will avoid （） high bending moments on it.
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5
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
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