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When a crankshaft （） outside the engine, it should be carefu

题目
单选题
When a crankshaft （） outside the engine, it should be carefully supported in a manner which will avoid imposing high bending moments on it.
A

has to be handled

B

may be handled

C

has being handled

D

will be handling

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相似问题和答案

第1题：

when you do the watch keeping in the engine room ,what should you be careful about ?


正确答案：I should take close watch on the fuel oil and lubricating oil condition to notice any possible problems arising from abnormal temperature ,,leakage ,or some other problems ; if hearing is seeing abnormal noises for machines ,I should make a quick judgement and report them to C/E or even master I myself cannot deal with it ,obey the rules of the company and the instruction from C/E and master and some warning from the deck department .l

第2题：

Any emergency pump situated outside （）（机舱）should also be started.

  • A、officer’s room
  • B、machinery cabin
  • C、engine room
  • D、boat deck

正确答案:C

第3题：

When stand－by before sailing, the duty engineer and officer should check clock, engine telegraph and rudder, and then write it in the0

A.engine room logbook

B.vovage logbook

c engine room logbook or voyage loglook

D.engine room logbook and voyage logbook


答案：D

第4题：

单选题
Which of the following procedures should be carried out when a large, low-speed, diesel engine is operated with one cylinder secured?（）
A

Lubrication to the defective cylinder should be increased

B

Cooling water temperature to the engine should be increased

C

Only the turbocharger speed should be reduced

D

Engine speed should be reduced


正确答案： D
解析： 暂无解析

第5题：

单选题
What is the speed of the crankshaft in a four-stroke/cycle engine when the camshaft is turning at 750 rpm?（）
A

375 RPM

B

500 RPM

C

750 RPM

D

1500 RPM


正确答案： C
解析： 暂无解析

第6题：

Gasoline fuel tank vents should terminate ______．

A.In the engine compartment

B.In the fuel tank space

C.Above or outside the hull

D.At the most convenient location


正确答案：C

第7题：

单选题
（） of an engine crankshaft can be detected by measuring deflections of crank webs for each unit of the engine.
A

Misalignment

B

Length

C

Strength

D

Stresses


正确答案： A
解析： 暂无解析

第8题：

During the dock repair,______should be measured firstly before tail shaft drawn out.

A.the sinking of tail shaft

B.the clearance of stern bearing

C.the total flexure of shaft

D.main engine crankshaft deflection


正确答案：A

第9题：

单选题
During the dock repair, should be measured firstly before tail shaft drawn out（）
A

the sinking of tail shaft

B

the clearance of stern bearing

C

the total flexure of shaft

D

main engine crankshaft deflection


正确答案： C
解析： 暂无解析

第10题：

单选题
When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）
A

starting air pressure

B

scavenge air pressure

C

over-speed trip

D

banjo oiler line


正确答案： B
解析： 暂无解析

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