参考答案和解析
正确答案:A
更多“Close all fire doors and use the ()(干粉灭火器).A、dry powder extinguisherB、foam extinguisherC、CO2 extinguisherD、portable extinguisher”相关问题
  • 第1题:

    A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in ______.

    A.generators

    B.oil drums

    C.the bridge controls

    D.combustible metals


    正确答案:B
    便携式泡沫储备气压式灭火器最适宜扑灭油桶火。

  • 第2题:

    An engine compartment gasoline fire requires which type of extinguisher?______.

    A.Carbon dioxide

    B.Dry chemical

    C.Foam

    D.All of the above


    正确答案:D
    机舱油汽火灾要求哪一种灭火器(扑灭)?CO2,干粉,泡沫

  • 第3题:

    In order to discharge a CO2 portable fire extinguisher, the operator must FIRST ______.

    A.invert the CO2 extinguisher

    B.squeeze the two trigger handles together

    C.remove the locking pin

    D.open the discharge valve


    正确答案:C
    为了施放便携式CO2灭火器,操作者必须首先拔除锁定销。

  • 第4题:

    Carry ()(手提灭火器)to the fire place.

    • A、extinguishers
    • B、portable extinguishers
    • C、dry foam extinguishers
    • D、CO2 extinguishers

    正确答案:B

  • 第5题:

    关闭所有防火门并使用干粉灭火器。()

    • A、Close all fire doors and use the dry powder extinguisher.
    • B、Close all fire doors and use the foam extinguisher.
    • C、Close all fire doors and use the CO2 extinguisher.
    • D、Close all fire rooms and use the dry powder extinguisher.

    正确答案:A

  • 第6题:

    单选题
    Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?()
    A

    Test the pressure gauge for correct reading

    B

    Weigh the cartridge

    C

    Replace the dry chemical

    D

    Pressure test the discharge hose


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    A foam-type portable fire extinguisher would be most useful in combating a fire in().
    A

    solid materials such as wood or bales of fiber

    B

    flammable liquids

    C

    a piece of electrical equipment

    D

    combustible metallic solids


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in().
    A

    generators

    B

    oil drums

    C

    the bridge controls

    D

    combustible metals


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    The type of extinguisher which should be used for an electricity fire is().
    A

    foam or soda acid

    B

    dry chemical or foam

    C

    carbon dioxide or dry chemical

    D

    carbon dioxide or foam


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?()
    A

    Check the tag to see when the extinguisher was last charged

    B

    Release a small amount of CO2; if the CO2 discharges,the extinguisher is acceptable

    C

    Weigh the extinguisher and compare the weight against that stamped on the valve

    D

    Recharge the extinguisher at least once each year


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    A portable foam fire extinguisher is placed in operation by()
    A

    turning it upside down

    B

    pressing the foam lever

    C

    squeezing the grip handle

    D

    opening the hose valve


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    Close all fire doors and use the ()(干粉灭火器).
    A

    dry powder extinguisher

    B

    foam extinguisher

    C

    CO2 extinguisher

    D

    portable extinguisher


    正确答案: D
    解析: 暂无解析

  • 第13题:

    An advantage of a dry chemical over a carbon dioxide fire extinguisher is its ______.

    A.greater range

    B.effectiveness on all types of fires

    C.cleanliness

    D.All of the above


    正确答案:A
    干粉灭火器优于CO2灭火器的优点是它更远的作用距离。

  • 第14题:

    Generally, the first action in extinguishing an LFG fire caused by escaping gas is to ______.

    A.sweep flames away with water spray

    B.shut off the leak

    C.use a chemical foam fire extinguisher

    D.call the local fire department


    正确答案:B
    一般来说,在灭因气体泄漏而引起的火灾中,首先要关闭泄漏处。

  • 第15题:

    Fire in the cabins. Close all fire doors and use the ()powder extinguisher.

    • A、dry
    • B、wet
    • C、foam
    • D、portable

    正确答案:A

  • 第16题:

    ()is best for electrical fire.

    • A、Dry extinguisher
    • B、Power extinguisher
    • C、A+B
    • D、CO2 extinguisher

    正确答案:A

  • 第17题:

    Never extinguish oil and electrical fires with ().

    • A、water
    • B、foam extinguisher
    • C、CO2 extinguisher
    • D、portable extinguisher

    正确答案:A

  • 第18题:

    单选题
    关闭所有防火门并使用干粉灭火器。()
    A

    Close all fire doors and use the dry powder extinguisher.

    B

    Close all fire doors and use the foam extinguisher.

    C

    Close all fire doors and use the CO2 extinguisher.

    D

    Close all fire rooms and use the dry powder extinguisher.


    正确答案: D
    解析: 暂无解析

  • 第19题:

    单选题
    A foam-type portable fire extinguisher is most useful in fighting a fire in().
    A

    generators

    B

    oil drums

    C

    the bridge controls

    D

    combustible metals


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    Which types of portable extinguisher should you watch for the reflash of the fire?()
    A

    foam and water

    B

    CO2 and dry chemical

    C

    dry chemical and water

    D

    foam and CO2


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    A portable dry chemical fire extinguisher discharges by().
    A

    gravity when the extinguisher is turned upside down

    B

    pressure from a small CO2 cartridge on the extinguisher

    C

    air pressure from the hand pump attached to the extinguisher

    D

    pressure from the reaction when water is mixed with the chemical


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    When fighting a fire with a portable dry chemical fire extinguisher,the stream should be directed().
    A

    over the top of the flames

    B

    off a bulkhead into the fire

    C

    in front of the fire

    D

    at the base of the fire


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    Fire in the cabins. Close all fire doors and use the ()powder extinguisher.
    A

    dry

    B

    wet

    C

    foam

    D

    portable


    正确答案: C
    解析: 暂无解析