轮机英语船舶动力装置章节练习(2018.01.23)

来源：考试资料网

1 Which of the following can be directly obtained by means of an indicator card?（）

2 The governor of a generator engine is to （）.

3 Persistent knocking in one cylinder of a diesel engine could be caused by（）.

4 The lube oil in the bearings is drawn from a （）, usually located in the bedplate.

5 Emulsion oils and sodium nitrite are both approved additives, but （） cannot be used if any pipes are galvanized or if soldered joints exist.

6 The main bearing shells often have a thin （） of lead or indium to provide a layer giving protection against corrosion.

7 The majority of medium speed and high speed marine diesel engines for main or auxiliary drive operate on the （） cycle.

8 Because the castings of smaller engines are not so big and heavy, （） and cylinder block may be made in one piece.

9 The cast iron（）for the cross-head are attached to the top section and seal off the crankcase.

10 For an ordinary four-stroke engine the inlet valves open （）