海船船员考试

单选题If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the （）A fuel line connections to cylinder injection valvesB gasket surfaces of the fuel oil filtersC discharge fitting of the

题目
单选题
If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the （）
A

fuel line connections to cylinder injection valves

B

gasket surfaces of the fuel oil filters

C

discharge fitting of the fuel injector pumps

D

suction side of the fuel oil tran

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相似问题和答案

第1题：

If you are unable to stop a diesel engine by any other means，you should ______．

A.Discharge a CO2 extinguisher in the air inlet

B.Pull off the distributor cap

C.Secure the jacket water

D.Secure the starting air supply valve


正确答案：A

第2题：

单选题
A diesel engine may fail to start due to （）
A

low air charge temperature

B

high cranking speed

C

excessive fuel dilution of lube oil

D

high compression pressure


正确答案： C
解析： 暂无解析

第3题：

If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the

A.fuel line connections to the cylinder injection valves

B.gasket surfaces of the fuel oil filters

C.discharge fittings of the fuel injector pumps

D.suction side of the fuel oil transfer pump


正确答案：D

第4题：

单选题
Diesel engine air start system check valves are opened by （）
A

an air start cam

B

cylinder compression pressure

C

starting air pressure

D

valve springs


正确答案： D
解析： 暂无解析

第5题：

单选题
If you are unable to stop a diesel engine by any other means，you should（）.
A

discharge a CO2 extinguisher in the air inlet

B

pull off the distributor cap

C

secure the jacket water

D

secure the starting air supply valve


正确答案： A
解析： 暂无解析

第6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：

Cold weather starting of a diesel engine is more difficult than warm weather starting due to

A.use of low viscosity oil in cold weather

B.increased moisture content of inlet air in cold weather

C.increased drag of pistons and bearings due to increased oil viscosity

D.higher compression pressures reached due to smaller clearances existing in the engine during cold weather


正确答案：C

第9题：

单选题
When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）
A

starting air pressure

B

scavenge air pressure

C

over-speed trip

D

banjo oiler line


正确答案： B
解析： 暂无解析

第10题：

单选题
Cold weather starting of a diesel engine is more difficult than warm weather starting due to（）
A

use of low viscosity oil in cold weather

B

increased moisture content of inlet air in cold weather

C

increased drag of pistons and bearings due to increased oil viscosity

D

higher compression pressures reached due to smaller clearances existing in the engine during cold weather


正确答案： D
解析： 暂无解析

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