海船船员考试

单选题Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?()A Exhaust temperatureB Lube oil levelC Lube oil pressureD Water level in the expansion tank

题目
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

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相似问题和答案

第1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2题:

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

Intake manifold

B

Water-cooled exhaust system

C

After-cooler

D

Exhaust diffuser


正确答案: A
解析: 暂无解析

第3题:

Which of the listed factors will indicate the most about the ability of a fuel to ignite in a diesel engine?

A.Viscosity

B.Sulfur content

C.Pour point

D.Cetane number


正确答案:D

第4题:

单选题
Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?()
A

Decreased connecting rod bearing clearance

B

Increased connecting rod bearing clearance

C

Decreased compression ratio

D

Increased compression ratio


正确答案: C
解析: 暂无解析

第5题:

单选题
Which of the diesel engine cylinder liners listed has internal cooling water passages?()
A

Internally finned liner

B

Externally finned liner

C

Wet liner

D

Integral water-jacket liner


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 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8题:

In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?

A.Noise coming from that air starting valve

B.Continuous operation of the starting air compressor

C.Zero air pressure in the air starting system

D.Overheated starting air pipe to the cylinder head


正确答案:D

第9题:

单选题
Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?()
A

Leaking seal ring

B

Insufficient heat transfer from the exhaust valves

C

Block cooling water passages to the head

D

Excessive scavenging air provided to the engine


正确答案: C
解析: 暂无解析

第10题:

单选题
The knock occurring when a cold diesel engine is started and continues while running at low speed, but stops when the engine reaches normal operating speed and temperature, is().
A

caused by retarded injection timing

B

caused by a mechanical defect in one cylinder

C

caused by high fuel injection pressures

D

normal for these conditions


正确答案: B
解析: 暂无解析

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