海船船员考试

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 stopB shutting off the lubricating oil supplyC tripping the governor emergency stop leverD shutting off the fuel sup

题目
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

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相似问题和答案

第1题：

Crankcase explosions in propulsion diesel engines result from ____.

A.the splashing of lubrication oil by the crankshaft

B.the dilution of crankcase oil with particles of combustion

C.broken fuel lines spraying oil on the crankcase

D.the ignition of unburned fuel and air in the crankcase


正确答案：D

第2题：

单选题
One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is（）.
A

the extra weight required for the diesel reduction gearing

B

a minimum speed for the engines that limits the minimum speed of the vessel

C

the higher fuel consumption per SHP

D

the low efficiency of the system when a controllable pitch propeller is used


正确答案： C
解析： 暂无解析

第3题：

In an AC.synchronous motor electric propulsion plant,propeller speed is controlled by()

A.prime mover speed

B.number of energized main motor poles

C.propulsion generator field strength

D.electric coupling field strength


答案：C

第4题：

单选题
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
A

wheelhouse control station

B

engine room control station

C

captains office

D

chief engineers office


正确答案： B
解析： 暂无解析

第5题：

单选题
On most diesel engines, the governor controls the output speed by （）.
A

controlling the amount of fuel injected into the cylinders

B

varying the speed of the turbocharger

C

adjusting the compression ratio

D

changing the timing of the fuel injection camshaft


正确答案： C
解析： 暂无解析

第6题：

_____ the engines, the diesel engine is ____ used engine on board

A.Between / more commonly

B.Among / the most commonly

C.Between / not more commonly

D.Among / not the most commonly


正确答案：B

第7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8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

第9题：

单选题
Typical marine propulsion plants include（） directly coupled to the vessel’s single large-diameter, fixed-pitch propeller.
A

a single, long-stroke, slow-speed, turbocharged, two-stroke diesel engine

B

a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engine

C

two medium-speed, turbocharged, four-stroke diesel engines

D

a variable-speed AC generator


正确答案： A
解析： 暂无解析

第10题：

单选题
Most totally enclosed lifeboats are equipped with which of the following? （）
A

Tanks for the storage of drinking water

B

Ballast tanks to prevent the boat from capsizing

C

A hydraulic start diesel engine

D

Auxiliary mechanical propulsion (Fleming gear)


正确答案： C
解析： 暂无解析

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