Pump up the starting air reservoirs to their maximum pressur

题目
单选题
Pump up the starting air reservoirs to their maximum pressure and ()the air reservoirs and air system.
A

open

B

close

C

drain

D

vent

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:

单选题
Vessels having main engines arranged for air starting are to be provided with at least ()
A

one automatic drain serving both containers

B

two air starting containers of approximately equal size

C

one control air container and one starting air container

D

one additional means of starting the main engine


正确答案: A
解析: 暂无解析

第2题:

单选题
Which of the following may cause that an engine doesnt turn on starting air?()
A

too low starting air pressure

B

main starting valve closed

C

neither A nor B

D

A and B


正确答案: A
解析: 暂无解析

第3题:

Vessels having main engines arranged for air starting are to be provided with at least__.

A.one automatic drain serving both containers

B.two air starting containers of approximately equal size

C.one control air container and one starting air container

D.one additional means of starting the main engine


正确答案:B

第4题:

单选题
All of the following steps are taken in starting a centrifugal pump,EXCEPT to().
A

set the relief valve

B

check the lubrication system

C

vent the pump casing

D

open the pump suction and discharge valves


正确答案: C
解析: 暂无解析

第5题:

单选题
Which of the following may lead to the engine NOT to start on air?()
A

starting air pressure too high

B

correct timing of starting air valves

C

three of the six starting valves stuck

D

the turning gear disengaged


正确答案: B
解析: 暂无解析

第6题:

单选题
The opening or closing of the cylinder starting valve is controlled by ().
A

the starting air distributor

B

the cut-off valve on the air main

C

the main starting valve

D

the air bottle control valve


正确答案: D
解析: 暂无解析

第7题:

单选题
Air reservoirs are designed, built and tested similarly to ().
A

boiler drums

B

hot wells

C

condensers

D

evaporators


正确答案: B
解析: 暂无解析

第8题:

In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?

A.Noise coming from that air starting valve

B.Continuous operation of the starting air compressor

C.Zero air pressure in the air starting system

D.Overheated starting air pipe to the cylinder head


正确答案:D

第9题:

单选题
Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?()
A

Holding the valve open for a long period

B

Increasing the starting air pressure used

C

Opening the stating air valve quickly

D

Reducing the starting air valve size


正确答案: D
解析: 暂无解析

第10题:

单选题
Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?()
A

Electric power and starting air

B

Lube oil standby pump and control air

C

Hydraulic switch and engage jacking gear

D

Motor drain and pneumatic control system power


正确答案: D
解析: 暂无解析

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