水路交通运输技能考试
轮机英语章节练习(2019.08.18)
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单项选择题
Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?()
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Which of the following items don’t belong to dock repair works?()
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A vacuum is initially created in a flash type distilling plant by().
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Compared to a constant pitch propeller, a controllable pitch propeller().
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One function provided by a hydraulic accumulator is to()
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Pistons may be made in () in order to keep the weight down for balancing purposes at high speed.
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Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of ().
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Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?()
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If a compressor runs continuously, the cause might be a()
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Which of the filter/strainer units listed permits you to clean the element while leaving the system on the line?()
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