輪機英語船舶輔助機械章節(jié)練習(2017.12.27)

來源：考試資料網

1 When a vacuum boiling evaporator works, the hot jacket water will pass over the tube stack and （） the sea water passing through the tubes.

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2 Condensate must be drained periodically from the air compressor receivers to prevent （）.

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3 Which of the following influences the position of the interface between the liquid seal and the oil in a purifier?（）

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4 An oil water monitor is required in order to measure （）.

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5 A vane pump belongs to （） according to its working principle.

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6 A centrifugal pump produces flow with a resulting discharge head by energy conversionIt is typical for the energy conversion to follow the order of （）.

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7 Excessive oil foaming in the crankcase of a refrigeration compressor at start up can cause（）.

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8 After installing a new hydraulic pump in a system, what special attention should be given to the hydraulic system?（）

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9 Which will cause the high pressure cutout to stop the compressor in a R-22 system?（）

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10 If an anchor windlass has been idle for some time, you should （）.

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