輪機英語船舶輔助機械章節(jié)練習(xí)(2017.12.15)

來源：考試資料網(wǎng)

1 Air that may enter a refrigeration plant tends to collect in the （）.

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2 In the refrigeration compressor the temperature of the vapor is （） by compression.

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3 The structural members of the hull extending in a fore and aft direction are called （）.

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4 The designed （） is 20 tons per day, but the fresh water generator can only distil 15 tons at present.

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5 When steam is being raised on a boiler, the water level will normally （）.

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6 The temperature （） a liquid changes its state from liquid to gas depends upon the liquid itself and upon the pressure （） it is subjected in the containing vessel.

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7 On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.

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8 Vessel propellers are classified as being right hand or left handA right hand propeller turns clockwise when viewed from（）.

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9 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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10 During working, thermostatic expansion valve should be （）.

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