文档介绍：中华人民共和国海事局
2002年第2期海船船员适任证书全国统考试题(总第29期)
科目:轮机英语试卷代号:604
适用对象:沿海航区750-3000KW船舶大管轮
(本试卷卷面总分100分,及格分为70分,考试时间100分钟)
答题说明:请选择一个最合适的答案,并将该答案按答题卡要求,,每题1分,第69题至76题,,第78题至79题,每题10分.
___ is the removal of exhaust gases by blowing in fresh air.
A. Scavenging B. Charging C. Gas exchange D. Supercharging
2. At the top of the A-frames there is a strong cast iron frame called ______.
A. cylinder liner B. cylinder cover C. the gear box D. the scavenging box
3. If diesel oil in this tank is used ,the ___ of the oil must not exceed 120 degree F.
A. viscosity B. temperature C. acid value D. f lash point
4. The _____ in the injector will lift at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.
A. piston B. nozzles C. needle valve D. spring
5. The removal of ______ from lubricating oil will reduce engine wear and possible breakdowns.
A. contaminating water B. contaminated additives
C. contaminated fuel D. contaminating impurities
6. ___ fuel oils ___ lubricating oils require treatment before passing to the engine.
A. Both/and B. Neither/nor C. Either/or D. Both/or
7. Fresh water is used for the cooling of cylinder jackets and ___ of the marine diesel engine.
A. cylinder covers B. lubricating space C. crosshead D. exhaust manifold
8. With uniflow scavenging the ing air enters ______ and leaves at th