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Which of the following factors tends to increase scale forma

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  • 【名词&注释】

    狂犬病(rabies)、集装箱船(container ship)、散货船(bulk carrier)、具体操作(concrete operation)、主管人员(executive staff)、轮机长(chief engineer)、蜂窝组织炎(cellulitis)

  • [单选题]Which of the following factors tends to increase scale formation on the saltwater side of a heat exchanger used in a diesel engine cooling water system?

  • A. Baffle plates that have been bent during prior removal
    B. Leaks m the cooler tube nest
    C. Operating the engine while maintaining a high sea water outlet temperature
    D. A punctured sea water strainer supplying cooling water to the heat exchanger

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  • 举一反三:
  • [单选题]按新九分法,成人一侧下肢及一侧臀部烧伤面积为______。
  • A. 20.5%
    B. 23%
    C. 25.5%
    D. 27%

  • [单选题]万一锅炉水碱度太高,通常用_________办法处理。
  • A. 加酸
    B. 加磷酸二钠
    C. 上排污
    D. 下排污

  • [单选题]SOLAS公约第Ⅹ章中,着重对______的安全进行了适用的规定。
  • A. 集装箱船
    B. 高速船
    C. 散货船
    D. 液货船

  • [单选题]压载水操作记录簿每记完一页,应由________签字才有效。
  • A. 具体操作人员
    B. 机务主管人员
    C. 轮机长(chief engineer)
    D. 船长

  • [单选题]蜂窝组织炎(cellulitis)为______。
  • A. 毛发根部感染
    B. 皮下感染
    C. 肌肉感染
    D. 淋巴组织感染

  • [单选题]When the ship is going to enter into the harbor, ____.
  • A. change from heavy fuel oil to diesel oil for main engine
    B. pumping out bilge water
    C. change sea chest from high level one to lower level one
    D. test emergency generator

  • [单选题]The SOLAS Convention in its successive forms is generally regarded as the most important of all international treaties concerning the ______of merchant ships.
  • A. pollution
    B. economization
    C. safety
    D. efficiency

  • [单选题]经蚊虫叮咬途径传播的疾病有______。
  • A. 伤寒
    B. 狂犬病
    C. 乙型脑炎
    D. 菌痢

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