海船船员考试

单选题Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an （）.A overspeed tripB audible/visual alarmC the ships/boats general alarmD reserve oil storage tank

题目
单选题
Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an （）.
A

overspeed trip

B

audible/visual alarm

C

the ships/boats general alarm

D

reserve oil storage tank

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相似问题和答案

第1题：

Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an _____.

A.over-speed trip

B.audible/visual alarm

C.the ships/boats general alarm

D.reserve oil storage tank


正确答案：B

第2题：

单选题
The rate of cylinder lubricating oil metered to each cylinder of a large low-speed main propulsion diesel engine is （）
A

the same, whether at sea, or during maneuvering

B

adjusted during each hour of operation while at constant RPM

C

higher at sea than while maneuvering

D

lower at sea than while maneuvering


正确答案： C
解析： 暂无解析

第3题：

In the following statements about the principle of the low level controlling, which is WRONG? 0

A.Low level is monitored on the drain tank and header tank.

B.If there is high differential the filters pressure across the circulating

pumps is alarmed

C.The lubricating oil purifier cannot take oil from the drain tank

D.If the sea water pressure falls, this also operates an alarm


答案：C

第4题：

单选题
For most diesel propulsion and generator engines, the over-speed trip device will stop the engine by （）
A

moving the governor control to stop

B

shutting off the lubricating oil supply

C

tripping the governor emergency stop lever

D

shutting off the fuel supply


正确答案： D
解析： 暂无解析

第5题：

单选题
Propulsion engines and the vast majority of auxiliary generator engines are designed to allow a generous through-flow of scavenge air in order to control （）
A

the lubricating oil consumption

B

the turbine blade temperature

C

the flow rate of fuel

D

scavenge air pressure


正确答案： A
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
With respect to the flow of lubricating oil through a diesel engine, the lube oil coolers are located after filters in order to （）.
A

allow filtration of less viscous oil

B

decrease the pressure drop across the filter

C

improve overall filtration

D

all of the above


正确答案： B
解析： 暂无解析

第8题：

On a medium-speed main propulsion diesel engine, the crank-pin or crank journalbearings receive lubricating oil from( ).

A.a spindle lubricator

B.an oil jet

C.internal splashing

D.drilled passages in the crankshaft


正确答案：D
解析：medium：中等，介质;pin：销，刺穿，钉住;journal：轴颈;spindle：芯轴，转轴;lubricator：注油器;splash：飞溅
译文：对于中速主推进柴油机，曲柄销轴承通过曲轴内钻孔的油道供油润滑。

第9题：

单选题
Telescopic pipes to the piston of a large slow-speed main propulsion diesel engine are designed to prevent （）.
A

excessive crankcase pressure

B

excessive lube oil temperature

C

contamination of the lube oil by water

D

contamination of the cooling water by lube oil


正确答案： C
解析： 暂无解析

第10题：

单选题
On most modern diesel engines, the main and connecting rod bearings receive their lubricating oil by （）.
A

banjo feed

B

splash feed

C

gravity feed

D

pressure feed


正确答案： B
解析： 暂无解析

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