輪機英語船舶電氣與船舶安全章節(jié)練習(2018.02.21)

來源：考試資料網

1 If a hydraulic governor has been refilled with oil, the engine should be operated until it reaches normal temperaturethen the air should be purged, and the（）

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2 During the watch keeping at sea, routine adjustments should be （）

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3 The current flowing first in one direction and then in another is called（） current.

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4 STCW78/95 Convention describes that （） are laid down for the certification of engineer officers in charge of a watch in a traditionally manned engine room, or the designated engineer in a periodically unmanned engine room.

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5 The operating medium for control systems may be （）.

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6 Worn main bearings in a diesel engine can result in （）

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7 Diesel engine crankshaft deflection readings are generally taken at four crank positionsGood engineering practice requires the deflection gage or indicator to be（）

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8 The soda-acid portable extinguishers must be discharged and refilled （）.

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9 For a flash type evaporator, a demister is located the condenser（）

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10 Diesel engine cylinder head test cocks are used to（）

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