海船船员考试

单选题When the prime movers of two paralleled generators are equipped with mechanical- hydraulic governors, and are operating within their designed range, the unit with the least amount of speed droop will （）.A pick up more of any increase in loadB pick up l

题目
单选题
When the prime movers of two paralleled generators are equipped with mechanical- hydraulic governors, and are operating within their designed range, the unit with the least amount of speed droop will （）.
A

pick up more of any increase in load

B

pick up less of any increase in load

C

share an equal amount of any increase in load

D

drop an equal amount of any decrease in load

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相似问题和答案

第1题：

When Mr. Toledano worked in Dior, he realized China would one day be prime territory for luxury.()

此题为判断题(对，错)。


参考答案：错

第2题：

When the prime movers of two paralleled generators are equipped with mechanical-hydraulic governors, and are operating within their designed range, the unit with the least amount of speed droop will .

A.pick up more of any increase in load

B.pick up less of any increase in load

C.share an equal amount of any increase in load

D.drop an equal amount of any decrease in load


正确答案：A

第3题：

How many generators does the shuttle carry?

A．One.

B．Two.

C．Three.

D．Four.


正确答案：C

第4题：

The load sharing characteristics of two diesel generators operating in parallel are mostly dependent on their governor ______.

A.load limit settings

B.idle speed settings

C.speed limit settings

D.speed droop settings


正确答案：D

第5题：

Equal power factors on paralleled AC generators are maintained by an automatic ________.

A.governor control switch

B.reverse power relay

C.reverse current relay

D.voltage regulator


正确答案：D

第6题：

by whom is a “vote of no confidence” decided?

A. The two major parties.

B. The House of Commons.

C. The House of Lords.

D. The Prime Minister.


参考答案：B

第7题：

The division of kilowatt load between two paralleled alternators is determined by the

A.amount of field excitation of the leading machine

B.load-speed characteristics of the governors

C.amount of field excitation to the lagging machine

D.type of alternator


正确答案：B

第8题：

He was ( ) his early forties when he became Prime Minister.

A、of

B、in

C、from

D、after


参考答案：B

第9题：

While paralleling two AC generators using synchronizing lamps only, both lamps will go dark when the generators are______.

A.running at the same speed

B.grounded

C.of the same polarity

D.in phase


正确答案：D

第10题：

In which two situations should you run the command sync group?（） (Choose two.)

  • A、when you enable Unified Failover
  • B、when you create an ActiveN group
  • C、when you synchronize the sticky table
  • D、when you require synchronization of the 3G Cache objects

正确答案:A,B

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