海船船员考试

单选题Which of the listed conditions can cause a diesel engine to use too much lube oil?（）A Dirty lube oil filterB Too much piston ring wearC High lube oil viscosityD Low lube oil temperature

题目
单选题
Which of the listed conditions can cause a diesel engine to use too much lube oil?（）
A

Dirty lube oil filter

B

Too much piston ring wear

C

High lube oil viscosity

D

Low lube oil temperature

参考答案和解析
正确答案： C
解析： 暂无解析
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相似问题和答案

第1题：

单选题
Stating a large propulsion diesel engine using diesel fuel during cold weather conditions can be made easier by （）
A

increasing the quantity of starting air

B

increasing the lube oil pressure

C

heating the engine fuel supply

D

heating the engine jacket water


正确答案： A
解析： 暂无解析

第2题：

单选题
Which of the listed conditions can cause a diesel engine to use too much lube oil?（）
A

Dirty lube oil filter

B

Too much piston ring wear

C

High lube oil viscosity

D

Low lube oil temperature


正确答案： D
解析： 暂无解析

第3题：

Which of the listed conditions can be considered as the single greatest cause of accidents?

A.Speed

B.Excessive knowledge or skill

C.Human error

D.Excitement


正确答案：C

第4题：

单选题
Which of the listed conditions can cause lacquer to be deposited on a piston skirt?（）
A

High sulphur content fuel

B

High lube oil temperatures

C

High vanadium content fuel

D

Excessive piston slap


正确答案： B
解析： 暂无解析

第5题：

单选题
Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?（）
A

Exhaust temperature

B

Lube oil level

C

Lube oil pressure

D

Water level in the expansion tank


正确答案： C
解析： 暂无解析

第6题：

单选题
Which of the listed problems can be a cause of low compression pressure in a diesel engine?（）
A

clogged air filter

B

compression stroke

C

burned exhaust valves

D

all of the above


正确答案： C
解析： 暂无解析

第7题：

单选题
Which of the listed diesel engine systems is likely to create the problem of a cylinder regularly misfiring?（）
A

Lubrication

B

Cooling

C

Fuel

D

Electric ignition


正确答案： A
解析： 暂无解析

第8题：

单选题
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
A

Impeller

B

Compressor

C

After-cooler

D

Exhaust differ


正确答案： C
解析： 暂无解析

第9题：

单选题
Which of the listed conditions will occur if a diesel engine exhaust valve is leaking?（）
A

Loss of compression for that cylinder

B

Misfiring or rough running

C

Damage to the valve

D

All of the above


正确答案： C
解析： 暂无解析

第10题：

单选题
Which of the conditions listed could cause the cylinder relief valves on a large, low-speed, propulsion diesel engine to lift?（）
A

Plugged injector nozzles

B

Excessive fuel injection

C

Very late injection timing

D

Incorrect crankshaft clearance


正确答案： B
解析： 暂无解析

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