海船船员考试

单选题The valve which is most suited for regulating the flow through a pipeline is a （）A gate valveB globe valveC swing-check valveD plug-cock valve

题目
单选题
The valve which is most suited for regulating the flow through a pipeline is a （）
A

gate valve

B

globe valve

C

swing-check valve

D

plug-cock valve

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相似问题和答案

第1题：

In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open ________．

A.Globe valve

B.Butterfly valve

C.Gate valve

D.Packless valve


正确答案：C

第2题：

Regulating Valve


正确答案:调节阀

第3题：

Which Packet Flow Acceleration feature is most effective for short－lived TCP sessions?()

A. Active Flow Pipelining

B. Fast Connection Setup

C. TCP Acceleration (AFP)

D. Forward Error Correction


参考答案：B

第4题：

单选题
What type of valve is used to direct the flow of hydraulic fluid?（）
A

Relief valve

B

Direction control valve

C

Stop valve

D

Pressure control valve


正确答案： D
解析： 暂无解析

第5题：

单选题
The thermal expansion valve controls the amount of refrigerant that is allowed to flow to the （）.
A

compressor

B

cooling coils

C

condenser

D

receiver


正确答案： D
解析： 暂无解析

第6题：

This valve regulates the flow of water.

A:fight
B:abolish
C:remove
D:control

答案：D
解析：
本句意思：这个阀门调节水流。regulate调节，控制（速度、压力、温度等）。fight战斗，斗争；abolish废除，废止；remove开除，去除；control管理，控制。

第7题：

Which technology is best suited for the most scalable means to separate the data plane for aLayers VPN？（）

  • A、 GRE
  • B、 802 1Q
  • C、 MPLS
  • D、 L2TPv3

正确答案:B

第8题：

What type of valve is used to direct the flow of hydraulic fluid?

A.relief valve

B.direction control valve

C.stop valve

D.pressure control valve


正确答案：B

第9题：

单选题
Which of the following pumps is most suitable for an oily water separator?（）
A

reciprocating pump

B

vane pump

C

mono pump

D

axial-flow pump


正确答案： C
解析： 暂无解析

第10题：

单选题
Which of the following statements concerning butterfly valves is correct?（）
A

Special tools are required for lapping or grinding

B

It is impossible to throttle flow with a butterfly valve

C

To close the valve, it is only necessary to turn the handle a quarter of a turn

D

The butterfly valve should never be used in a freshwater system


正确答案： C
解析： 暂无解析

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