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Oil oxidation as a result of excessively high lube oil temperature, is harmful to a diesel engine BecauseA.oil foaming will always occurB.large quantities of oil are consumedC.lube oil viscosity is always decreasedD.corrosive by-products are usually forme

题目

Oil oxidation as a result of excessively high lube oil temperature, is harmful to a diesel engine Because

A.oil foaming will always occur

B.large quantities of oil are consumed

C.lube oil viscosity is always decreased

D.corrosive by-products are usually formed

相似考题

1.which of the following is not one of the major exports of new zealand?A. Wool.B. Oil.C. Dairy products. .D. Fish.

2.“奶油”用英文表示为()。A.butterB.sugerC.plant oilD.oil

3.We can draw a conclusion from the text that______.A) oil-price shocks are less shocking nowB) inflation seems irrelevant to oil -price shocksC) energy conservation can keep down the oil pricesD) the price rise of crude leads to the shrinking of heavy industry

4.oil—water partition coefficient

参考答案和解析
正确答案：D
更多“Oil oxidation as a result of excessively high lube oil temperature, is harmful to a diesel ”相关问题

  • 第1题：

    A hydraulic motor may be driven by______.

    A.an electric motor

    B.a diesel engine

    C.a compressor

    D.oil


    正确答案：D

  • 第2题：

    OIL-IN-WATER are ______．

    A.sediment of oil in water

    B.oil dissolvents in water

    C.solid oil aggregates

    D.droplets of oil suspended in water


    正确答案：D

  • 第3题：

    OPEC holds meetings frequently so as to regulate the output of______ oil.

    A.crude
    B.original
    C.first
    D.primary

    答案：A
    解析：
    本题考查近义词辨析。
    　　题目意为“欧佩克（石油输出国组织）经常召开会议，以调节原油产量。”A选项“天然的，未加工的”，B选项“原始的，最初的”，C选项“第一的，最早的”，D选项“初级的，基本的”。crude oil，原油，选择A。
    　　

  • 第4题：

    What type of stern tube bearing has the least friction ________．

    A.Oil-lubricated bearings

    B.Lignum vitae

    C.Hard rubber

    D.Bronze bushings


    正确答案：A

  • 第5题：

    An uncontrolled flow of gas, oil, or other well fluids into the atmosphere is called a ______.

    A.flow

    B.breakout

    C.kick

    D.Blowout


    正确答案：D
    一股不可控制的气体，油，或其他流体进入到大气中叫做喷泻。

  • 第6题：

    OPEC holds meetings frequently so as to regulate the outp of __ oil.

    A.first
    B.crude
    C.original
    D.primary

    答案：B
    解析：
    A选项意为“第一的，基本的”；B选项意为“天然的，未加工的”；C选项意为“原始的，最初的”；D选项意为“初级的，基本的”。题目意为“石油输出国家组织（OPEC）经常召开会议，以控制___油产量。”crude oil为固定搭配，意为“原油”。因此选B，控制原油产量。
    　　

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