海船船员考试

单选题A restricted air intake to a diesel engine may result in the engine ().A failing to reach rated speedB knocking under maximum loadC hunting or surging under light loadD overspeeding and running away

题目
单选题
A restricted air intake to a diesel engine may result in the engine ().
A

failing to reach rated speed

B

knocking under maximum load

C

hunting or surging under light load

D

overspeeding and running away

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相似问题和答案

第1题:

单选题
A diesel engine cylinder head can crack as a result of ()
A

a leaking seal ring

B

heat transfer from exhaust valves

C

restricted cooling passages

D

overheated intake valves


正确答案: B
解析: 暂无解析

第2题:

单选题
Black smoke exhausting from an operating diesel engine is an indication of poor combustion which may be caused by ()
A

water in the fuel

B

insufficient fuel for combustion

C

clogged air intake passages

D

burning lubricating oil


正确答案: B
解析: 暂无解析

第3题:

What is the function of the after-coolers installed in the diesel engine air intake system?

A.Decrease the air density

B.Increase the exhaust temperature

C.Decrease the lube oil temperature

D.Increase the air density


正确答案:D

第4题:

单选题
If a single cylinder relief valve on a diesel engine lists frequently while the engine is running, the cause may be an ()
A

excessively late injection timing for each cylinder

B

incorrectly adjusted intake valve timing

C

incorrectly adjusted fuel injector

D

incorrectly adjusted intake valve clearance


正确答案: A
解析: 暂无解析

第5题:

单选题
A diesel engine emits blue exhaust smoke as a result of()
A

cold intake air

B

excessive compression pressure

C

excessive cylinder lubrication

D

a light load


正确答案: B
解析: 暂无解析

第6题:

单选题
Intake air flow from a diesel engine turbocharger is directly proportional to engine()
A

exhaust gas pressure

B

exhaust gas temperature

C

speed

D

load


正确答案: D
解析: 暂无解析

第7题:

单选题
Poor combustion in a diesel engine can be caused by ().
A

high compression pressure

B

low intake air temperature

C

low exhaust pressure

D

high scavenge air temperature


正确答案: D
解析: 暂无解析

第8题:

单选题
Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine by()
A

natural aspiration

B

masked intake valves

C

air cells

D

scavenging air


正确答案: B
解析: 暂无解析

第9题:

单选题
Diesel engine starting difficulties due to cold intake air temperatures, can be overcome by using a/an()
A

increase in starting air pressure

B

increase in lube oil viscosity

C

compression expansion device

D

jacket water heater


正确答案: A
解析: 暂无解析

第10题:

单选题
Worn diesel engine intake valve guides can result in ()
A

increased engine breathing efficiency

B

excessive valve lash

C

excessive lube oil consumption

D

lower than normal fuel consumption


正确答案: B
解析: 暂无解析

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