海船船员考试

单选题The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a ().A air bottleB air compressorC crank caseD combustion chamber

题目
单选题
The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a ().
A

air bottle

B

air compressor

C

crank case

D

combustion chamber

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
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2题:

单选题
What determines the number of events occurring in a cycle of operation in an internal combustion engine?()
A

Crankshaft revolution

B

Type of engine (diesel or gasoline)

C

Distance a piston travels during a stroke

D

Number of pistons


正确答案: B
解析: 暂无解析

第3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4题:

单选题
Proper atomization of fuel in diesel engine combustion chambers will ().
A

affect the injection pressure

B

improve combustion

C

reduce compression pressure

D

decrease power output


正确答案: D
解析: 暂无解析

第5题:

单选题
A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an ().
A

double-acting engine

B

opposed pistons engine

C

single-acting engine

D

horizontal acting engine


正确答案: D
解析: 暂无解析

第6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7题:

单选题
The power developed by a large slow-speed main propulsion diesel engine is dependent upon the ()
A

quantity of air it takes in and retains in the cylinders during a given time period

B

proportion of trapped air that is utilized in the combustion process

C

thermodynamic efficiency of the engine cycle

D

all of the above


正确答案: B
解析: 暂无解析

第8题:

The diesel engine is similar to the gasoline engine in that______.

A.both of them are ignited by compressed air

B.both of them are the forms of external combustion engines

C.both of them have spark plugs

D.the power is developed by the piston in the cylinder


正确答案:D

第9题:

单选题
Trunk type diesel engine pistons are effectively cooled when heat is()
A

radiated through the engine block

B

transferred to water cooled cylinder walls

C

conducted through the piston crown

D

transferred to escaping exhaust gases


正确答案: B
解析: 暂无解析

第10题:

单选题
In a modern internal combustion diesel engine, the load carrying part of the engine is referred to as the()
A

bedplate or base

B

sump or oil pan

C

cylinder block

D

frame


正确答案: A
解析: 暂无解析

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