单选题Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire?（）ACO2BABC dry chemicalCCO2 propelled foamDAll of the above
单选题
Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire?（）
A
CO2
B
ABC dry chemical
C
CO2 propelled foam
D
All of the above
参考解析
解析：
暂无解析
相关考题：
When will the fire department come to conduct a fire prevention inspection in our company?A. Next month. I’ve checked hydrants and fire-extinguishers on each floorB.Next day. The manager will check hydrants and other equipment in the building.C.Next week. But hydrants and fire extinguishers on each floor has already been checkedD.The day before yesterday. I had already checked hydrants and fire extinguishers on each floor.
Which of the listed fire extinguishers cannot be easily recharged aboard ship?A.Soda acidB.Carbon dioxideC.Dry chemicalD.cartridge-operated Foam
When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required?A.The supervisor in charge of the dock to which the barge is tied upB.Part 38 of the Rules and Regulations for Tank VesselsC.The Certificate of Inspection of the bargeD.The local fire marshal
Each hand portable fire extinguisher on M/V Utopia must be marked with______．A.the date that it was installed on the unitB.the names of the individuals qualified to use itC.the name of the unit on which it is locatedD.an identification number different from other extinguishers on the unit
CO2 and Halon extinguishers are used for electrical fire, as well as （）fire.A、commonB、oilC、electricalD、chemical
Please send us as soon as possible samples of the following goods _____ listed in your current catalogue.A、whichB、asC、whatD、for which
A datacenter manager would like to ensure that all fire suppression in the datacenter is safe for the equipment in the room. Which of the following classifications should be listed on the fire suppression system？（）A、AB、BC、CD、D
单选题Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire?（）AAlcohol foamBDry chemicalCChemical foamDWater fog
单选题Halon fire extinguishers are NOT effective when used on which types of fires?（）AFires in electrical equipmentBFlammable oils and greasesCClass A fires in ordinary combustiblesDMaterials containing their own oxygen
单选题Please send us as soon as possible samples of the following goods _____ listed in your current catalogue.AwhichBasCwhatDfor which
单选题Which of the listed fire extinguishers cannot be easily recharged aboard ship?（）ASoda acidBCarbon dioxideCDry chemicalDCartridge-operated Foam
单选题Which of the listed classes of fire would most likely occur in the engine room of a vessel?（）AClasses A and BBClasses B and CCClasses C and DDClasses A and D
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?（）ADry chemicalBHalonCLow velocity fogDSteam
单选题Which of the listed classes of fire is considered as one involving electrical equipment?（）AClass ABClass BCClass CDClass D
单选题Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?（）AFoamBCarbon dioxideCDry chemicalDWater fog
单选题What is NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers?（）AThe rated capacity in gallons，quarts，or poundsBThe hydrostatic test date of the cylinderCThe name of the itemDAn identifying mark of the actual manufacturer
单选题If ignited, which of the listed materials would be a class "B" fire?（）AMagnesiumBPaperCWoodDDiesel Oil
单选题When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required? （）AThe supervisor in charge of the dock to which the barge is tied upBPart 38 of the Rules and Regulations for Tank VesselsCThe Certificate of Inspection of the bargeDThe local fire marshal
单选题Which of the fire extinguishing agents listed is the safest to use when combating a class C fire?（）ACO2BFoamCWater fogDSoda acid
单选题Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?（）ADry chemicalBFoamCWaterDCarbon dioxide
单选题Which of the fire extinguishers listed is to be weighed annually and sent ashore for recharging if the weight loss exceeds 10% of the weight of a full charge?（）AFoamBSoda acidCDry chemicalDCarbon dioxide
单选题Which types of portable fire extinguishers are designed for use on electrical fires?（）ADry chemical and carbon dioxideBFoam (stored pressure) and soda-acidCCarbon dioxide and foam (stored pressure)DDry chemical and soda-acid
单选题In which of the areas listed is a fire resulting from spontaneous combustion most likely to occur?（）AEngine room bilgesBPaint lockerCBattery storage lockerDFuel oil tank
单选题Halon extinguishers used on a class C fire should be directed at the（）.Abase of the equipmentBtop of the equipmentCpower sourceDsource of the fire
单选题Halon from extinguishers used on a class B fire，should be directed（）.Aat the top of the flamesBat the base of the fire near the edgeCin short quick burstsDtoward the upwind side of the fire
单选题Each hand portable fire extinguisher on a ship must be marked with（）.Athe name of the unit on which it is locatedBthe date that it was installed on the unitCthe names of the individuals qualified to use itDan identification number different from other extinguishers on the unit
单选题Dry chemical fire extinguishers are effective on which type(s) of fire?（）ABurning oilBElectricalCPaintDAll of the above