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更多“A large oil fire is best extinguished with()”相关问题
  • 第1题:

    A large oil fire on the deck of a ship can be fought most effectively with ______.

    A.dry chemical

    B.foam

    C.high-velocity fog

    D.water (cartridge-operated)、


    正确答案:B
    甲板上大量由油水引起的火灾最有效的扑救方法是泡沫。

  • 第2题:

    单选题
    A fire of escaping liquefied flammable gas is best extinguished by().
    A

    cooling the gas below the ignition point

    B

    cutting off the supply of oxygen

    C

    stopping the flow of gas

    D

    interrupting the chain reaction


    正确答案: B
    解析: 暂无解析

  • 第3题:

    单选题
    Cargo transfer operations on a tank vessel need NOT be stopped when().
    A

    a tug comes alongside while the tanker is loading grade

    B

    and E cargoes B. a large,fresh oil spill is discovered immediately adjacent to the side of the tanker

    C

    there is an electrical storm in the vicinity

    D

    there is a fire on the dock or on a nearby vessel


    正确答案: D
    解析: 暂无解析

  • 第4题:

    单选题
    What is meant by the term overhaul in firefighting?()
    A

    Slow down the spread of fire by cooling adjacent structures

    B

    Cover the fire with foam

    C

    Smother the fire with a blanket or similar object

    D

    Break up solid objects to ensure that any deep seated fires are extinguished


    正确答案: C
    解析: 暂无解析

  • 第5题:

    单选题
    A large oil fire on the deck of a ship can be fought most effectively with().
    A

    dry chemical

    B

    foam

    C

    high-velocity fog

    D

    Water (cartridge-operated)


    正确答案: B
    解析: 暂无解析

  • 第6题:

    单选题
    The fuel oil supply system to an automatic auxiliary boiler, will automatically shutdown if the boiler ()
    A

    steam demand is high

    B

    salinity is high

    C

    safety valve simmers

    D

    burner flame is extinguished


    正确答案: C
    解析: 暂无解析

  • 第7题:

    单选题
    Class A fires are best extinguished by quenching or cooling with ().
    A

    deprival of oxygen

    B

    a water spray

    C

    soda-acid

    D

    foam


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    Class C fires are best extinguished by ().
    A

    foam extinguishers

    B

    water spray equipment

    C

    dry powder extinguishers

    D

    soda-acid extinguishers


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    Class B fires are best extinguished by smothering, i-e().
    A

    deprival of oxygen

    B

    removal of heat

    C

    spraying of water

    D

    injecting of soda-acid


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    Cargo transfer operations on a tanker need NOT be stopped when().
    A

    a tug comes alongside while the tanker is loading grade D and E cargoes

    B

    a large,fresh oil spill is discovered immediately adjacent to the side of the tanker

    C

    there is an electrical storm in the vicinity

    D

    there is a fire on the dock or on a nearby vessel


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by().
    A

    completely closing the compartment

    B

    closing the compartment except for the ventilators

    C

    leaving the compartment open to the air

    D

    increasing the air flow to the compartment by blowers


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    What is the best title for this passage?
    A

    The Dangers of a Fire.

    B

    The Cause of a Fire.

    C

    Learn to Use a Fire Extinguisher.

    D

    Be Ready for a Fire.


    正确答案: C
    解析:
    根据全文可知本篇文章主要讲述的是如何为发生火灾做好准备。

  • 第13题:

    单选题
    A large oil fire on the deck of a ship can be fought most effectively with().
    A

    dry chemical

    B

    foam

    C

    high-velocity fog

    D

    water


    正确答案: B
    解析: 暂无解析

  • 第14题:

    单选题
    Flames from small leaks of LFG may be extinguished by().
    A

    utilizing carbon dioxide or dry chemical fire extinguishers

    B

    utilizing soda and acid fire extinguishers

    C

    blowing the flames out

    D

    letting it burn itself out


    正确答案: C
    解析: 暂无解析

  • 第15题:

    单选题
    The fire of fuel oil is classified as() fire.
    A

    Class A

    B

    Class B

    C

    Class C

    D

    Class D


    正确答案: D
    解析: 暂无解析

  • 第16题:

    单选题
    What is an advantage of using foam in fire fighting?()
    A

    It is effective in controlling fire in flowing oil such as coming from a broken fuel line

    B

    It absorbs heat from materials that could cause reignition

    C

    Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment

    D

    Once the surface is blanketed with foam and the fire is extinguished,no further foam is required


    正确答案: B
    解析: 暂无解析

  • 第17题:

    单选题
    Which of the following statements represents the correct action to take when three crew members discover a fire?()
    A

    One man report the fire, and the other two men fight the fire

    B

    One man report the fire, one man fight the fire, and one man evacuate and secure the area

    C

    One man report the fire, one man fight the fire, and one man act as a safety observer

    D

    All three men fight the fire and report it immediately after it is extinguished


    正确答案: D
    解析: 暂无解析

  • 第18题:

    单选题
    The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line, is to ().
    A

    evacuate all engine room personnel

    B

    fight the fire with hand portable extinguishers

    C

    activate the main CO2 bank

    D

    stop the flow of leaking fuel oil


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    Oil fires are best extinguished by().
    A

    cutting off the supply of oxygen

    B

    removing the fuel

    C

    cooling below the ignition temperature

    D

    spraying with water


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    Oil fires are best extinguished by ().
    A

    cutting off the supply of oxygen

    B

    removing the fuel

    C

    spraying with water

    D

    adding oxygen


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent ().
    A

    air from contacting the oil vapors

    B

    permitting re-ignition boiling of the heated oil

    C

    spontaneous combustion below the oil surface

    D

    toxic fumes from escaping to the surface


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    A fire can be extinguished by removing ().
    A

    the heat

    B

    the fuel

    C

    the oxygen

    D

    any of the above


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    A fire in electrical equipment should be extinguished by using().
    A

    salt water

    B

    foam

    C

    low-velocity fog

    D

    CO2


    正确答案: D
    解析: 暂无解析