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輪機(jī)英語船舶動力裝置單項(xiàng)選擇題每日一練(2019.01.26)

來源：考試資料網(wǎng)

1 In a simple mechanical governor, the （）.

2 In a normally operating diesel engine, the main cause of lubricating oil contamination in the crankcase is a result of the （）.

3 （） for the camshaft gear train is taken from a spur gear which for a six cylinder engine is at the coupling end.

4 When the order （） is received from the bridge, the main air stop valve in the starting air line should be shut.

5 The projection on a shaft designed to change circular motion into up and down or back and fore motion is called （）.