Which of the following will be the advantage of a centrifugal pump as compared with a reciprocating pump? l.Its discharge is continuous; ll.It has no internal valves: lll.Upon accidental closing of discharge valve, excessive pressure will not build up()A.

题目

Which of the following will be the advantage of a centrifugal pump as compared with a reciprocating pump? l.Its discharge is continuous; ll.It has no internal valves: lll.Upon accidental closing of discharge valve, excessive pressure will not build up()

A.l, ll

B.ll, lll

C.l ,ll.III

D.llonly

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更多“Which of the following will be the advantage of a centrifugal pump as compared with a ”相关问题

  • 第1题：

    ________ with flying, taking the train seems to be safer.

    A: Comparing

    B: Compared

    C: Compare

    D: To compare


    参考答案：B

  • 第2题：

    You can get the answer if you _______ the results to the cause.

    A. involve

    B. relate

    C. compare

    D. connect


    参考答案：B

  • 第3题：

    Market research shows that few consumers actually__________ prices before selecting their groceries in the store.

    A.renew
    B.submit
    C.compare
    D.collect

    答案：C
    解析：
    句子应表示“比较价格”，故选C项。

  • 第4题：

    A、state

    B、force

    C、compare

    D、welfare


    正确答案：D

  • 第5题：

    Michael’s new house is like a huge palace, ______with his old one.

    A. comparing B. compares

    C. to compare D. compared


    正确答案：D

  • 第6题：

    CRRT清除水和溶质主要方式不包括

    A．弥散（diffusion）

    B．对流（convection）

    C．吸附（adsorption）

    D．离心（centrifugal）


    离心（centrifugal）

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