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In a modern internal combustion diesel engine, the load carr

题目
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

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相似问题和答案

第1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2题：

单选题
An emergency generator, driven by an internal combustion engine, shall be tested under load for a minimum of 2 hours at least once every （）
A

week

B

2 weeks

C

month

D

3 months


正确答案： D
解析： 暂无解析

第3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4题：

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


正确答案： D
解析： 暂无解析

第5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6题：

单选题
Operating a propulsion diesel engine at less than 30% of designed normal load for prolonged periods will result in （）.
A

decreased fuel consumption per brake horsepower

B

more complete cylinder scavenging

C

extended valve life

D

carbon formation on combustion chamber surfaces


正确答案： B
解析： 暂无解析

第7题：

单选题
The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as （）.
A

delivering the same quantity of fuel to each cylinder for each power stroke according to engine load

B

maintaining the metering adjustment for a reasonable period under all load conditions

C

timing fuel injection to obtain maximum power and good fuel economy

D

distributing the fuel to all parts of the combustion chamber for proper combustion


正确答案： D
解析： 暂无解析

第8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9题：

单选题
One of the factors limiting the amount of load which can be put on a modern marine diesel engine is the （）
A

governor sensitivity

B

exhaust temperature

C

fuel injection pressure

D

speed of the can shaft


正确答案： A
解析： 暂无解析

第10题：

单选题
As for a diesel engine, lack of combustion air may be due to （）.
A

fouling turbine

B

fuel pump faults

C

lubrication failure

D

excessive cooling


正确答案： B
解析： 暂无解析

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