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航海英语消防用语单项选择题每日一练(2019.01.21)

  • 单项选择题

    An advantage of an ABC dry chemical over a carbon dioxide extinguisher is().

    A.lack of toxicity
    B.the multipurpose extinguishing ability
    C.burn-back protection
    D.cooling ability

  • 单项选择题

    A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the().

    A.fire hose might be damaged by cargo operations
    B.vessel is in port
    C.fire-main system is not charged
    D.fire pumps are used for purposes other than supplying water to the fire main

  • 单项选择题

    Prior to getting underway,the Master or person in charge of a ship must().

    A.conduct a fire drill
    B.conduct a boat drill
    C.log the fore and aft draft marks
    D.test the emergency generator

  • 单项选择题

    The collision bulkhead shall be of().

    A.water-tight
    B.air-tight
    C.fire-tight
    D.oil-tight

  • 单项选择题

    Removing which will extinguish a fire?().

    A.Nitrogen
    B.Carbon dioxide
    C.Sodium
    D.Oxygen

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