轮机英语综合试题

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轮机英语综合试题33-48期

中华人民共和国海事局

2004年第1期海船船员适任证书全国统考试题(总第33期)

科目：轮机英语 试卷代号：803

适用对象：无限、近洋航区3000KW及以上船舶大管轮

（本试卷卷面总分100分，及格分为70分，考试时间为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，在其相应位置上用2B铅笔涂黑。第1题至68题，每题1分，第69题至76题，每题1.5分,第77题至78题, 每题10分。

一、单项选择题：

1． A. before B. after C. when D. until

2． Cylinder wall temperature, fuel oil sulphur, and oil passage ______.

A. are interdependent

C. have nothing to do with each other D. are independent

3．

A. strength B. dense C. percentage 4． machinery from ______.

A. within the space concerned

C. the throttle station

5．

A. TAN B. TBN D. SBN

6． The tendency for lubricating oil to at high temperatures and thicken at low temperatures will be characterized by a ______.

A. low viscosity index B. high viscosity index

D. low demulsibility quality

7．

C. higher calorific and lower calorific values

D. cloud point and pour point values

8． In ______the incoming air is directed upwards, pushing the exhaust gases before it and then the exhaust gases travel down.

A. loop scavenging B. cross scavenging C. uniflow scavenging D. supercharging

9． ______ is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.

A. An air receiver B. An operating valve C. An automatic valve D. An air distributor

10． Which of the following conditions can cause above normal air temperature to develop in the intake manifold of a four-stroke/cycle, turbo-charged, diesel engine?

A. Clogged air intake filters. B. Piston blow-by.

C. A defective after-cooler. D. Faulty exhaust valves.

11． Misalignment of an engine crankshaft can be detected by measuring______of crank webs for each unit of the

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