海船船员考试

单选题() providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.A Except forB BesideC ExceptD In addition to

题目
单选题
() providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.
A

Except for

B

Beside

C

Except

D

In addition to

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相似问题和答案

第1题:

Which lubricating oil additive is used in diesel engines to reduce the tendency(倾向)for sludge and varnish to form on the engine parts?

A.Flash point improvers

B.Pour point improvers

C.Inhibitors

D.Foam suppressors(抑制物)


正确答案:C

第2题:

单选题
Diesel oil may be used to cool () of a diesel engine.
A

cylinders

B

exhaust valves

C

pistons

D

fuel valves


正确答案: D
解析: 暂无解析

第3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4题:

单选题
Which of the following will be the function of lubricating oil used in marine engines?()
A

to remove heat from oil cooled pistons

B

to wash away wear detritus

C

to neutralize acidic products

D

all of the above


正确答案: A
解析: 暂无解析

第5题:

单选题
Excessive lubricating oil consumption in a running diesel engine can be caused by ()
A

clogged lube oil piping

B

excessive valve-guide clearance

C

high lube oil viscosity

D

low lube oil temperature


正确答案: A
解析: 暂无解析

第6题:

单选题
The marine diesel engine is a type of diesel engine used on ships The () of its operation is not very difficult to understand.
A

principle

B

principal

C

cause

D

case


正确答案: D
解析: 暂无解析

第7题:

单选题
The primary purpose of oil control rings on a diesel piston is to()
A

provide a reservoir for cylinder lubrication

B

pump oil into the combustion space for cylinder cooling

C

prevent excessive lubricating oil consumption

D

allow hydraulic oil film formation on the cylinder


正确答案: A
解析: 暂无解析

第8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9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10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

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