水路交通运输技能考试
轮机英语船舶动力装置章节练习(2018.01.23)
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Which of the following can be directly obtained by means of an indicator card?()
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The governor of a generator engine is to ().
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Persistent knocking in one cylinder of a diesel engine could be caused by().
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The lube oil in the bearings is drawn from a (), usually located in the bedplate.
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Emulsion oils and sodium nitrite are both approved additives, but () cannot be used if any pipes are galvanized or if soldered joints exist.
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The main bearing shells often have a thin () of lead or indium to provide a layer giving protection against corrosion.
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The majority of medium speed and high speed marine diesel engines for main or auxiliary drive operate on the () cycle.
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Because the castings of smaller engines are not so big and heavy, () and cylinder block may be made in one piece.
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The cast iron()for the cross-head are attached to the top section and seal off the crankcase.
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For an ordinary four-stroke engine the inlet valves open ()
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