輪機(jī)英語船舶電氣與船舶安全章節(jié)練習(xí)(2019.03.27)

來源：考試資料網(wǎng)

1 The ignition quality of a fuel oil is an important operational consideration because it（）

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2 Trunk-type diesel engine pistons are most effectively cooled by heat（）

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3 Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

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4 When anaerobic bacteria convert the sewage to an inert sludge,（）

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5 If the compression ratio is increased on any diesel engine, （）

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6 An advantage of DC motors over AC motors is that they （）

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7 Early models of the flash-type evaporators used a separate shell-and-tube heat exchanger as the air ejector condenser.More recent models use a combined air ejector condenser with the（）

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8 A four-stroke cycle, turbocharged, 1000 horsepower diesel engine has been operating under loadThe load suddenly increases, causing excessive black exhaust smoke, and a rapid rise in the lube oil temperatureIn response to this condition, you should:（）

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9 Top piston rings are plasma coatedIt gives added safety for the of new lines（）

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10 （） handle and instruments are on the front.

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