Which statement concerning the application of dry chemical powder is FALSE ________．A.At temperatures of less than 32℉，the extinguisher must be recharged more oftenB.When possible，the fire should be attacked from windwardC.The stream should be directed at

题目

Which statement concerning the application of dry chemical powder is FALSE ________．

A.At temperatures of less than 32℉，the extinguisher must be recharged more often

B.When possible，the fire should be attacked from windward

C.The stream should be directed at the base of the fire

D.Directing the stream into burning flammable liquid may cause splashing

相似考题

1.Is the following statement true or false?A significant change in the ownership of an existing audit client is a factor which makes it appropriate for the auditor to review the terms of engagement.A.TrueB.False

2.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 readingB.Weigh the cartridgeC.Replace the dry chemicalD.Pressure test the discharge hose

3.Which statement concerning carbon dioxide is FALSE ________．A.It displaces the oxygen in the airB.It cannot be seenC.It cannot be smelledD.It is safe to use near personnel in a confined space

4.Which of the following is (are)an advantage of a dry chemical extinguisher over a carbon dioxide extinguisher？The dry chemical extinguisher：Ⅰ．Has a greater range．Ⅱ．Provides a heat shield for the operator．A.ⅠonlyB.ⅡonlyC.Both Ⅰand ⅡD.Neither Ⅰ nor Ⅱ

参考答案和解析
正确答案：A
更多“Which statement concerning the application of dry chemical powder is FALSE ________.A.At t ”相关问题

  • 第1题：

    Which statement concerning locating signals in the GMDSS is FALSE ________．

    A.Locating signals are transmitted by survival craft VHF transceivers

    B.Locating signals are transmitted by SARTs

    C.Locating signals are intended to facilitate the finding of a distressed vessel or its survivors

    D.Locating signals are not transmitted by autoalarm generators


    正确答案：A

  • 第2题：

    ______, as the chemical extinguisher agent, should be used for an electric fire.

    A.dry chemical or foam

    B.foam or soda acid

    C.carbon dioxide or foam

    D.carbon dioxide or dry chemical


    正确答案：D
    二氧化碳或干粉灭火器作为化学灭火器，用于扑灭电器火灾。

  • 第3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4题：

    单选题
    Which statement concerning the navigation of a vessel in ice is FALSE?（）
    A

    Anchoring in the presence of ice is not recommended except in an emergency

    B

    Towing a vessel through an ice field is not recommended except in an emergency

    C

    The Free and Proceed system of escorting a beset vessel cuts down on the number of freeing operations

    D

    When anchoring in ice，it is advisable to increase the scope of the chain over what is normally used for non-icing conditions


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    Which statement concerning the collection of fresh water is FALSE?（）
    A

    Fresh water may be obtained from fish

    B

    lifeboat covers or canopies should be washed with rain before drinking water is collected

    C

    Fresh water may be collected from condensation inside the life-raft

    D

    Freshwater cannot be produced from standing seawater


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    Which statement is FALSE regarding WebLogic Server 12c?（）
    A

    supports Java EE 6.0

    B

    supports WebLogic Web Services 8.1 Application Environment

    C

    includes a new Maven plug-in

    D

    supports use of annotations in resource adapter class files


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    Which statement is FALSE concerning the interleave depth value？（）
    A

    A higher interleave depth provides more protection from burst of noise on the HFC network

    B

    Higher interleave depth increase downstream latency

    C

    Lower interleave depth cause some packet loss on typical HFC networks

    D

    None ofthe above


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    public class Test{  public static void main（ String[] argv ）{  // insert statement here  }  }   Which statement， inserted at line 3， produces the following output？（）  Exception in thread “main” java.lang.AssertionError： true at Test.main（Test.java：3）
    A

     assert true；

    B

     assert false；

    C

     assert false ： true；

    D

     assert false == true；

    E

     assert false： false；


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?（）
    A

    A fully loaded vessel will be slower to respond to the engines

    B

    A fully loaded vessel will maintain her headway further

    C

    A light vessel will be more affected by the wind

    D

    A light vessel lose more rudder effect in shallow water


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by（）.
    A

    authorized fire equipment servicing personnel only

    B

    replacing the propellent cartridge and refilling with powder

    C

    puncturing the cartridge seal after installation

    D

    recharging the cartridge and refilling it with powder


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    Which statement concerning locating signals in the GMDSS is FALSE（）.
    A

    Locating signals are transmitted by survival craft VHF transceivers

    B

    Locating signals are transmitted by SARTs

    C

    Locating signals are intended to facilitate the finding of a distressed vessel or its survivors

    D

    Locating signals are not transmitted by autoalarm generators


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Which statement concerning the collection of fresh water is FALSE?（）
    A

    Fresh water may be obtained from fish

    B

    Lifeboat covers or canopies should be washed with rain before drinking water is collected

    C

    Fresh water may be collected from condensation inside the liferaft

    D

    Seawater should never be consumed


    正确答案： A
    解析： 暂无解析

  • 第13题：

    You are underway with a tow consisting of six barges containing hazardous chemicals．Which statement is FALSE concerning a cargo information card ________．

    A.It must be carried in the pilothouse，readily available for each chemical carried

    B.It must be posted on the lead barge of the tow only

    C.It must be posted on each barge on the tow

    D.It contains information on procedure for spills or leaks


    正确答案：B

  • 第14题：

    public class Test{  public static void main（ String[] argv ）{  // insert statement here  }  }   Which statement， inserted at line 3， produces the following output？（）  Exception in thread “main” java.lang.AssertionError： true at Test.main（Test.java：3）  

    • A、 assert true；
    • B、 assert false；
    • C、 assert false ： true；
    • D、 assert false == true；
    • E、 assert false： false；

    正确答案:C

  • 第15题：

    单选题
    Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.
    A

    Taglines are wire rope purchases that raise and lower the jib

    B

    Taglines are wire ropes for horizontal positioning of the rider block

    C

    Taglines can be fastened to corners of vehicles or containers

    D

    The crane might not have taglines installed in its rigging system


    正确答案： D
    解析： 暂无解析

  • 第16题：

    单选题
    As compared to carbon dioxide，dry chemical has which advantage?（）.
    A

    Cleaner

    B

    Effective on metal fires

    C

    Greater range

    D

    More cooling effect


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    Which general statement concerning radar is FALSE?（）.
    A

    Raising the antenna height increases the radar range

    B

    The ability of radar to detect objects is unaffected by weather conditions

    C

    Radar bearings are less accurate than radar ranges

    D

    Radar should be checked regularly during clear weather to ensure that it is operating properly


    正确答案： C
    解析： 暂无解析

  • 第18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19题：

    单选题
    As compared to carbon dioxide,dry chemical has which advantage?（）.
    A

    Cleaner

    B

    Effective

    C

    Greater range

    D

    More cooling effect


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

    Insure the chemical is powdery

    B

    Replace the cartridge

    C

    Pressure test the discharge hose

    D

    Test the pressure gauge for proper operation


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement concerning maneuvering in restricted visibility is FALSE?（）.
    A

    A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway

    B

    A vessel which hears a fog signal forward of her beam shall stop her engines

    C

    A vessel which hears a fog signal forward of the beam shall navigate with caution

    D

    If a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Which statement is FALSE concerning Concatenation？（）
    A

    It allows ITCM to send multiple upstream packets in one single large burst.

    B

    It reduces upstream data throughput.

    C

    It can be enabled/disabled from CMTS on per upstream port basis if desired

    D

    Concatenation activity on an interface can be checked by the show controller counters command


    正确答案： D
    解析： 暂无解析

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