What is the most usual reason for the fresh water-sea water heat exchanger fouling in the sea side?A.lube oil sludge accumulating in itB.dirt and scale etc , formed on the surfacesC.deformation of the tubes and the shell or the platesD.lube oil leakage in

题目

What is the most usual reason for the fresh water-sea water heat exchanger fouling in the sea side?

A.lube oil sludge accumulating in it

B.dirt and scale etc , formed on the surfaces

C.deformation of the tubes and the shell or the plates

D.lube oil leakage into sea-water side

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4.He did not do it ( ) reason.A、withoutB、withinC、forD、by

更多“What is the most usual reason for the fresh water－sea water heat exchanger fouling in the ”相关问题

  • 第1题：

    The police believe the motive for the murder was jealousy.

    A: choice
    B: idea
    C: decision
    D: reason

    答案：D
    解析：
    题干意为“警方认为谋杀的动机是妒忌。” 句中划线词意为“动机，动因”。D项reason意为“原因；动机”。例句：That is the reason why I don't like it．那就是我不喜欢它的原因。A项意为“选择，挑选”。B项意为“主意，念头”。C项意为“决定，决议”。故选D。

  • 第2题：

    Her father was a quiet man with graceful manners.

    A:similar
    B:bad
    C:polite
    D:usual

    答案：C
    解析：
    这句话的意思是：她的父亲沉默寡言、举止文雅。句中“graceful”意为“优雅的”。四个 选项中A项意为“类似的”;B项意为“坏的”;C项意为“礼貌的”;D项意为“平常的，通常的”。 因此只有C项最为合适。

  • 第3题：

    以下哪一项表达最为准确？

    A.Both bombs produce the same three effects: heat, blast, and radiation. The first of which usually causes the most fatalities.#B.Both bombs produce the same three effects: heat, blast, and radiation, the first of them usually causes the most fatalities.#C.Both bombs produce the same three effects: heat, blast, and radiation, the first of which usually causes the most fatalities.#D.Both bombs produce the same three effects
    Both bombs produce the same three effects: heat, blast, and radiation , t he first of which usually causes the most fatalities.

  • 第4题：

    Her father was a quiet man with graceful manners.

    A:bad
    B:polite
    C:similar
    D:usual

    答案：B
    解析：
    本句意思：她的父亲是一位举止优雅的安静的人。graceful的意思为“优雅的”，和Polite “有礼貌的、文雅的”意思相近。bad“糟糕的”;similar“相似的，类似的”;usual“通常的”。

  • 第5题：

    Keep your passport in a secure place.

    A:secret
    B:safe
    C:familiar
    D:usual

    答案：B
    解析：
    把你的护照放在安全的地方。safe“安全的”，例如：You'll be safe here．你在这里很安全。secret“秘密的，机密的”，例如：She escaped through a secret door．她通过暗道逃走了。familiar“熟悉的”，例如：the familiar voices of one's friends朋友熟悉的声音。 usual“通常的，惯常的”，例如：She arrived later than usual．她到的比平常晚。只有safe意思上和secure最接近。

  • 第6题：

    利用Heat进行设计和定义编排极为方便，请你写出Heat的编排方式


    A

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