A foam-type portable fire extinguisher would be most useful in combating a fire in ______.A.solid materials such as wood or bales of fiberB.flammable liquidsC.a piece of electrical equipmentD.combustible metallic solid

题目

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 solid

相似考题

1.The most effective way of applying carbon dioxide from a portable extinguisher to a fire is by ______．A.Forming a cloud cover over the flamesB.Directing the gas at the base of the flames in a slow sweeping motionC.Discharging the carbon dioxide into the heart of the flamesD.Bouncing the discharge off an adjacent bulkhead just above the burning surface

2.A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in ______.A.generatorsB.oil drumsC.the bridge controlsD.combustible metals

3.An ABC dry chemical fire extinguisher would be LEAST effective against a fire in ______.A.a mattressB.spilled liquids such as oil or paintC.high voltage electrical gearD.a trash can

4.A foam-type portable fire extinguisher is most useful in fighting a fire in ______.A.generatorsB.oil drumsC.the bridge controlsD.combustible metals

参考答案和解析
正确答案：B
便携式泡沫灭火器对扑灭可燃液体着火最有效。
更多“A foam－type portable fire extinguisher would be most useful in combating a fire in ______. ”相关问题

  • 第1题：

    Foam-type portable fire extinguishers are most useful in combating fires involving ______.

    A.solid materials such as wood or bales of fiber

    B.inflammable liquids

    C.electrical equipment

    D.metallic solids


    正确答案：B
    泡沫型便携式灭火器对于陷于易燃性液体火灾的扑灭最有效。

  • 第2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:A

  • 第3题：

    单选题
    Foam-type portable fire extinguishers are more usefull in combating fires involving（）.
    A

    solid materials such as wood or bales of fiber

    B

    inflammable liquids

    C

    electrical equipment

    D

    metallic solids


    正确答案： B
    解析： 暂无解析

  • 第4题：

    单选题
    Foam-type portable fire extinguishers are most useful in combating fires involving（）.
    A

    solid materials such as wood or bales of fiber

    B

    inflammable liquids

    C

    electrical equipment

    D

    metallic solids


    正确答案： B
    解析： 暂无解析

  • 第5题：

    单选题
    How do you operate a portable CO2 fire extinguisher?（）
    A

    Point the horn down

    B

    Turn cylinder upside-down

    C

    Break the rupture disc

    D

    Pull pin，squeeze grip


    正确答案： B
    解析： 暂无解析

  • 第6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7题：

    单选题
    On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）
    A

    Carbon dioxide

    B

    Water (stored pressure)

    C

    Dry chemical

    D

    Foam


    正确答案： D
    解析： 暂无解析

  • 第8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9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10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

    D

    combustible metals


    正确答案： C
    解析： 暂无解析

  • 第11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12题：

    单选题
    Each hand portable fire extinguisher must be marked with（）.
    A

    the name of the vessel on which it is located

    B

    the date that it was installed

    C

    the names of the individuals qualified to use it

    D

    an identification number


    正确答案： D
    解析： 暂无解析

  • 第13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14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15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16题：

    单选题
    Portable foam type fire extinguishers are most effective on（）.
    A

    mattress fires

    B

    oil fires

    C

    wood fires

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第17题：

    单选题
    If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）
    A

    Dry chemical

    B

    Halon

    C

    Low velocity fog

    D

    Steam


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
    A

    Carbon dioxide

    B

    Water (stored pressure)

    C

    Foam

    D

    Carbon tetrachloride


    正确答案： D
    解析： 暂无解析

  • 第19题：

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

    soild 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： C
    解析： 暂无解析

  • 第20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： C
    解析： 暂无解析

  • 第21题：

    单选题
    An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.
    A

    a mattress

    B

    spilled liquids such as oil or paint

    C

    high voltage electrical gear

    D

    a trash can


    正确答案： A
    解析： 暂无解析

  • 第22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23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。

相关内容