輪機(jī)英語船舶電氣與船舶安全章節(jié)練習(xí)(2018.02.25)

來源：考試資料網(wǎng)

1 After stopping oily water separator, sea water should be permitted for （） minutes,（）should be closed after stopping pump to reduce oxidation corrosion of inner wall.

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2 Care must be taken to condition the （）in the boiler to prevent scaling, and corrosion, which can weaken the pressure vessel.

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3 Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?（）

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4 The part of the shipboard electrical system used to control the distribution of power to the branch circuits, is the （）.

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5 When paralleling two AC generators, the frequency of the machine coming on-line, immediately prior to closing its breaker, should be （）

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

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7 A diesel engine is warmed up and white vapor is in the exhaust，this could indicate （）

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8 A diesel engine fails to start due to excessive water in the fuelBefore the engine can be started, the water should be removed from the（）

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9 The diesel engine is similar to the gasoline engine in that （）.

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10 The efficiency and output capacity of a low pressure distilling plant will be reduced if the last effect shell （）

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