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There should be a lubricating oil （） between the main beatin

题目
单选题
There should be a lubricating oil （） between the main beatings and the crankshaft.
A

film

B

cap

C

lacquer

D

shell

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相似问题和答案

第1题：

In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .

A.all of the oil used by the engine through a filter

B.some of the oil used by the engine through a filter

C.some of the oil used by the engine through a centrifuge

D.all of the oil used by the engine through a centrifuge


正确答案：C

第2题：

单选题
The operating diesel generators will have their exhaust temperatures, cooling water and lubricating oil temperatures and pressures （） in much the same way as for the main engine.
A

to be kept

B

logged

C

changed

D

has remained


正确答案： B
解析： 暂无解析

第3题：

Main engines as well as auxiliary engines operating on heavy fuel should have continuousoon the lubricating oil, either according tothebypass or batch principles

A.filtering

B.centrifuging

C.depositing

D.operating


答案：B

第4题：

单选题
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A

filter to remove the fuel oil

B

use the settler to remove the fuel oil

C

remove the fuel oil by centrifuging

D

drain and then renew the lube oil supply


正确答案： A
解析： 暂无解析

第5题：

单选题
On most modern diesel engines, the main and connecting rod bearings receive their lubricating oil by （）.
A

banjo feed

B

splash feed

C

gravity feed

D

pressure feed


正确答案： B
解析： 暂无解析

第6题：

单选题
The remaining oil in the lubricating pipes and ducts should be blown out with （）.
A

atmosphere

B

the fresh water

C

compressed air

D

chemical compounds


正确答案： B
解析： 暂无解析

第7题：

单选题
In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the （）.
A

crosshead

B

crankpin

C

crank journal

D

gudgeon pin


正确答案： D
解析： 暂无解析

第8题：

Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an _____.

A.over-speed trip

B.audible/visual alarm

C.the ships/boats general alarm

D.reserve oil storage tank


正确答案：B

第9题：

单选题
The amount of lubricating oil in the drain tank should be checked by （）.
A

measuring

B

sounding rod

C

metering

D

weighting


正确答案： B
解析： 暂无解析

第10题：

单选题
The temperature difference between the inlet and outlet temperature of the lube oil cooler in the lubricating system for the diesel engine is generally between （）.
A

8-10℃

B

10-12℃

C

10-15℃

D

10-20℃


正确答案： B
解析： 暂无解析

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