An engine compartment gasoline fire requires which type of extinguisher?______.A.Carbon dioxideB.Dry chemicalC.FoamD.All of the above
An engine compartment gasoline fire requires which type of extinguisher?______.
A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above
相关考题：
What type of extinguisher should be used for an electric fire? ________A.CO2B.FormC.WaterD.Water and Form
At the earliest indication of fire aboard your vessel, you must FIRST ______.A.locate the fireB.determine which type of fire is burningC.sound the alarmD.fight the fire
Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all ______．A.Fire stations aboard the vessel，except for those in open deck areas weatherdeck and cargo hold fire stationsB.Interior fire stationsC.Engine room fire stationsD.All of the above
A foam-type portable fire extinguisher is most useful in fighting a fire in ______.A.generatorsB.oil drumsC.the bridge controlsD.combustible metals
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
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
单选题Fire prevention during welding or burning aboard any vessel should include （）.Aposting a fire watch in the immediate areaBproviding an extinguisher which is ready for immediate useCrequiring the fire watch to remain on post for 30 minutes after the completion of welding or burningDAll of the above
单选题A foam-type portable fire extinguisher is most useful in fighting a fire in（）.AgeneratorsBoil drumsCthe bridge controlsDcombustible metals
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A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.AgeneratorsBoil drumsCthe bridge controlsDcombustible metals
单选题Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.AconvectionBconductionCradiationDspontaneous combustion
单选题Which portable fire extinguisher should be used on a class C fire on board a vessel?（）ACarbon dioxideBWater (stored pressure)CFoamDCarbon tetrachloride
单选题On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）ACarbon dioxideBWater (stored pressure)CDry chemicalDFoam
单选题Before starting any diesel or gasoline engine，which of the following must be checked? （）AOil levelBFlow of cooling waterCExhaust dischargeDAll of the above
单选题A foam-type portable fire extinguisher would be most useful in combating a fire in（）.Asoild materials such as wood or bales of fiberBflammable liquidsCa piece of electrical equipmentDcombustible metallic solids
单选题An engine compartment gasoline fire requires which type of extinguisher?（）ACarbon dioxideBDry chemicalCFoamDAll of the above
单选题Which space(s) on your cargo vessel must have a fire detection system?（）AAny compartment containing explosivesBAny compartment adjacent to one containing explosivesCEnclosed spaces which are specially suitable for vehiclesDAll of the above
单选题Which fire detection system is actuated by sensing a heat rise in a compartment?（）AManual fire detection systemBAutomatic fire detection systemCSmoke detection systemDWatchman's supervisory system
单选题The type of extinguisher which should be used for an electricity fire is（）.Afoam or soda acidBdry chemical or foamCcarbon dioxide or dry chemicalDcarbon dioxide or foam
单选题When fighting an oil or gasoline fire in the bilge，which of the following should NOT be used?（）AFoamBSolid stream water nozzleCAll-purpose nozzleDCarbon dioxide
单选题At the earliest indication of fire aboard your vessel, you must FIRST（）.Alocate the fireBdetermine which type of fire is burningCsound the alarmDfight the fire
单选题关闭所有防火门并使用干粉灭火器。（）AClose all fire doors and use the dry powder extinguisher.BClose all fire doors and use the foam extinguisher.CClose all fire doors and use the CO2 extinguisher.DClose all fire rooms and use the dry powder extinguisher.
单选题Which types of portable extinguisher should you watch for the reflash of the fire?（）Afoam and waterBCO2 and dry chemicalCdry chemical and waterDfoam and CO2
单选题Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.Acompletely closing the compartmentBclosing the compartment except for the ventilatorsCleaving the compartment open to the airDincreasing the air flow to the compartment by blowers
单选题Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?（）ACheck the tag to see when the extinguisher was last chargedBRelease a small amount of CO2; if the CO2 discharges，the extinguisher is acceptableCWeigh the extinguisher and compare the weight against that stamped on the valveDRecharge the extinguisher at least once each year
单选题Dry chemical fire extinguishers are effective on which type(s) of fire?（）ABurning oilBElectricalCPaintDAll of the above
单选题Each hand portable fire extinguisher must be marked with（）.Athe name of the vessel on which it is locatedBthe date that it was installedCthe names of the individuals qualified to use itDan identification number