海船船员考试

单选题The booster pump, which supplies diesel oil to（） , should have a possibility of being powered by compressed air or by emergency power.A the main enginesB the auxiliary enginesC the emergency generator engineD the auxiliary engines and the main engine(s

题目
单选题
The booster pump, which supplies diesel oil to（） , should have a possibility of being powered by compressed air or by emergency power.
A

the main engines

B

the auxiliary engines

C

the emergency generator engine

D

the auxiliary engines and the main engine(s)

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：

Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except______.

A.open the indicator cocks

B.supply some CYL.Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)

C.put the fuel handle in the "stop" position

D.pump up the air bottle


正确答案：D

第2题：

单选题
Fuel oil discharged to the diesel engine cylinder is atomized at the （）
A

turbocharger

B

injection nozzle tip

C

carburetor

D

fuel oil pump


正确答案： B
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
Thermocouple pyrometers are used on large, main propulsion diesel engines to indicate the temperature of the（）
A

cooling water leaving each cylinder

B

fuel oil entering the injector

C

exhaust gases at various locations

D

lube oil at the bearing supplies


正确答案： A
解析： 暂无解析

第5题：

单选题
If a crankcase explosion has occurred in a diesel engine, and the crankcase remains intact, which of following precautions should be observed?（）
A

The cylinder indicator cocks should be opened

B

The sump lube oil scavenge pump should be secured immediately

C

The explosion relief valves should be manually opened

D

The crankcase should remain unopened until the engine has cooled


正确答案： B
解析： 暂无解析

第6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7题：

单选题
If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be （）
A

a dirty lube oil strainer

B

internal water leaks

C

an oil suction line restriction

D

excessive wears of the cooling water pump


正确答案： B
解析： 暂无解析

第8题：

The main propulsion diesel continues running after you try to shut down. You should now attempt to .

A.stop the fuel oil booster pump

B.engage the jacking gear

C.secure the lube oil pump

D.shut off the fuel at the settling tank


正确答案：A

第9题：

单选题
In a bypass type lubrication system for a diesel engine, the dirty oil line to the centrifuge should be taken from the （）.
A

lube oil pump suction line

B

lube oil pump discharge line

C

bottom of the lube oil sump

D

outlet from the lube oil header


正确答案： C
解析： 暂无解析

第10题：

单选题
In a diesel engine lube oil system, which of the following parts should be lubricated first?（）
A

Camshaft beatings

B

Main bearings

C

Piston crowns

D

Cylinder walls


正确答案： B
解析： 暂无解析

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