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 chemicalB HalonC Low velocity fogD Steam

题目
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

相似考题

1.A portable dry chemical fire extinguisher discharges by ______.A.gravity when the extinguisher is turned upside downB.pressure from a small CO2 cartridge on the extinguisherC.air pressure from the hand pump attached to the extinguisherD.pressure from the reaction when water is mixed with the chemical

2.How do you operate a portable CO2 fire extinguisher?______.A.Point the horn downB.Turn cylinder upside-downC.Break the rupture discD.Pull pin, squeeze grip

3.In order to discharge a CO2 portable fire extinguisher, the operator must FIRST ______.A.invert the CO2 extinguisherB.squeeze the two trigger handles togetherC.remove the locking pinD.open the discharge valve

4.An engine compartment gasoline fire requires which type of extinguisher?______.A.Carbon dioxideB.Dry chemicalC.FoamD.All of the above

更多“If a CO2 fire extinguisher is not readily available, which o”相关问题

  • 第1题：

    This fire extinguisher is to be used only in case of（）.

    Aurgency

    Bemergency

    Cimmediacy

    Dcrisis


    B
    略

  • 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：

    An administrator sees that smoke is coming from the UPS. Which of the following should they doFIRST？（）

    • A、Use a Class A fire extinguisher.
    • B、Evacuate personnel.
    • C、Install additional fans in the UPS
    • D、Backup the servers.

    正确答案:B

  • 第4题：

    单选题
    This fire extinguisher is to be used only in case of（）
    A

    urgency

    B

    crisis

    C

    immediacy

    D

    emergency


    正确答案： A
    解析： 暂无解析

  • 第5题：

    单选题
    To determine if a CO2 fire extinguisher is fully charged，you would（）.
    A

    Operate the trigger valve

    B

    Weigh the extinguisher

    C

    Test with a pressure gauge

    D

    Read the date of last test


    正确答案： A
    解析： 暂无解析

  • 第6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7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8题：

    单选题
    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： A
    解析： 暂无解析

  • 第9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10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11题：

    单选题
    Which portable fire extinguisher is normally recharged in a shore facility?（）
    A

    Dry chemical (cartridge-operated)

    B

    Water (cartridge-operated)

    C

    Water (pump tank)

    D

    Carbon dioxide


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    After extinguishing a fire with CO2，it is advisable to（）.
    A

    use all CO2 available to cool the surrounding area

    B

    stand by with water or other agents

    C

    thoroughly ventilate the space of CO2

    D

    jettison all burning materials


    正确答案： B
    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：

    （）is best for electrical fire.

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

    正确答案:A

  • 第15题：

    单选题
    You should conduct a sector search under which of the following circumstances（）.
    A

    The search target is sighted and then lost

    B

    More than one vessel is available for a search

    C

    The search object is a target that will be readily detected by radar

    D

    An aircraft is available to assist a surface vessel


    正确答案： A
    解析： 暂无解析

  • 第16题：

    单选题
    Fire prevention during welding or burning aboard any vessel should include （）.
    A

    posting a fire watch in the immediate area

    B

    providing an extinguisher which is ready for immediate use

    C

    requiring the fire watch to remain on post for 30 minutes after the completion of welding or burning

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    A CO2 extinguisher on a ship which has lost 10% of its charge must be（）.
    A

    used at the earliest opportunity

    B

    hydrotested

    C

    recharged

    D

    weighed again in one month


    正确答案： D
    解析： 暂无解析

  • 第18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19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20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21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。

  • 第24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

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