輪機英語船舶電氣與船舶安全章節(jié)練習(xí)(2018.02.17)

來源：考試資料網(wǎng)

1 Which of the listed conditions can be used to determine if lube oil has been diluted by fuel? （）

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2 The upper section of a piston is called the （）

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3 Which of the following represents the significance the fuel oil cetane number?（）

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4 An oxygen indicator will detect （）.

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5 If a diesel engine fails to start，one of the likely causes is （）

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6 The sludge tank installed in the diesel engine room is used to collect（）
Ⅰ.sludge from the fuel oil settling tanks ad centrifuge
Ⅱ.water that has been collected in the settling tank

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7 With a （） load the voltage and current are in phase.

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8 Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）

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9 The valve which is most suited for regulating the flow through a pipeline is a （）

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10 During check on top clearance in main bearings, turn the crankthrow for the relevant cylinder unit to （） and stop the lube oil circulating pump.

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