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航海英语海上消防单项选择题每日一练(2019.01.15)

  • 单项选择题

    Dry chemical fire extinguishers are effective on which type(s) of fire?()

    A.Burning oil
    B.Electrical
    C.Paint
    D.All of the above

  • 单项选择题

    During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. The smoke’s color will be().

    A.black
    B.red
    C.orange
    D.yellow

  • 单项选择题

    Convection spreads a fire by().

    A.heated gases flowing through ventilation systems
    B.the transfer of heat across an unobstructed space
    C.burning liquids flowing into another space
    D.transmitting the heat of a fire through the ship's metal

  • 单项选择题

    According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent().

    A.accumulation of carbon dioxide gas that chokes the battery
    B.accumulation of explosive and toxic gases the battery can generate
    C.mildew or dry rot in the battery box
    D.battery failure including battery case meltdown caused by excessive heat

  • 单项选择题

    Good housekeeping on a vessel prevents fires by().

    A.allowing better access in an emergency
    B.eliminating potential fuel sources
    C.eliminating trip hazards
    D.improving personnel qualifications

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