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 less of

题目

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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更多“When the prime movers of two paralleled generators are equipped with mechanical－hydraulic ”相关问题

  • 第1题：

    You are attempting to parallel two AC.generators, and the synchroscope pointer revolving in the fast direction.This indicates that the frequency of the incoming machine is

    A.higher than the bus equency

    B.lower than the bus equency

    C.the same as the bus frequency but out of phase with it

    D.same as the bus frequency and the circuit breaker may be closed at


    答案：B

  • 第2题：

    [A] paralleled

    [B] counteracted

    [C] duplicated

    [D] contradicted


    正确答案：A

  • 第3题：

    12． About_______ of the workers in the factory were born in the __________．

    A． two- thirds;1970

    B． two- thirds ; 1970s

    C． two-third ; 1970

    D． two-third ; 1970s


    正确答案：B
    12．B【解析】句意：工厂里大约2/3的工人出生在20世纪70年代。分数的表达为分子用基数词，分母用序数词，如果分子大于1，则分母要用复数，排除C、D，年代的表达要在年份后加s．故选B。

  • 第4题：

    Whichtwotriggersaremousemovementtriggers?()

    A.When-Mouse-Up

    B.When-Mouse-Move

    C.When-Mouse-Down

    D.When-Mouse-Click

    E.When-Mouse-Leave


    参考答案：B, E

  • 第5题：

    About ________ of the workers in the factory were born in the ________.

    A.two-thirds, 1970 B.two-thirds, 1970s C.two-third,1970 D.two-third, 1970s


    正确答案：B

  • 第6题：

    亚马逊在2005年推出Prime服务。


    正确

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