輪機(jī)英語(yǔ)船舶電氣與船舶安全單項(xiàng)選擇題每日一練(2019.01.13)

來(lái)源：考試資料網(wǎng)

1 Broken intake valve springs on one cylinder of a diesel engine can cause the engine to （）

2 Lubricating oil systems are fitted with a wide variety of strainers some of which can be cleaned in site while others have replaceable cartridgesThe bold and italic word “which” means （）.

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3 A variable displacement system of hydraulic drives consists of （）.

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4 （）is used to control, modulate, monitor and protect generator set.

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5 Internal combustion engine crankcase vent outlets must be equipped with （）

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