单选题A C02 portable extinguisher is annually checked by（）.Areading the gage pressureBweighing the extinguisherCdischarging a small amount of CO2Dseeing if the seal has been broken
单选题
A C02 portable extinguisher is annually checked by（）.
A
reading the gage pressure
B
weighing the extinguisher
C
discharging a small amount of CO2
D
seeing if the seal has been broken
参考解析
解析：
暂无解析
相关考题：
On a vessel, a CO2 extinguisher is checked by ______.A.reading the gage pressureB.weighing the extinguisherC.discharging a small amount of CO2D.seeing if the seal has been broken
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 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
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
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
Fire in the cabins. Close all fire doors and use the （）powder extinguisher.A、dryB、wetC、foamD、portable
Never extinguish oil and electrical fires with （）.A、waterB、foam extinguisherC、CO2 extinguisherD、portable extinguisher
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After using a C02 portable extinguisher,it should be（）.Aput back in service if some CO2 remainsBhydrostatically testedCretaggedDrecharged
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To determine if a C02 fire extinguisher is fully charged, you would（）.Aoperate the trigger valveBweigh the extinguisherCtest with a pressure gaugeDread the date of last test
单选题After using a C02 portable extinguisher，it should be（）.Aput back in service if some C02 remainsBhydrostatically testedCretaggedDrecharged
单选题A portable dry chemical fire extinguisher discharges by（）.Agravity when the extinguisher is turned upside downBpressure from a small CO2 cartridge on the extinguisherCair pressure from the hand pump attached to the extinguisherDpressure from the reaction when water is mixed with the chemical
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Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）AInsure the chemical is powderyBReplace the cartridgeCPressure test the discharge hoseDTest the pressure gauge for proper operation
单选题Prior to backloading portable tanks or drums onto an offshore supply vessel，check that each tank is（）.Apainted yellow with diagonal black stripingBcapped and checked for leaksCcoated with non-corrosive protectionDmounted on pallets
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A CO2 portable extinguisher is annually checked by（）.Areading the gage pressureBweighing the extinguisherCdischarging a small amount of CO2Dseeing if the seal has been broken
单选题How do you operate a portable C02 fire extinguisher?（）.APoint the horn downBTurn cylinder upside-downCBreak the rupture discDPull pin, squeeze grip
单选题You can determine that a C02 fire extinguisher is fully charged by（）.Alooking at the gageBchecking the nameplate dataCweighing by handDweighing on a properly calibrated scale
单选题0n a vessel ,a C02 extinguisher is checked by（）.Areading the gage pressureBweighing the extinguisherCdischarging a small amount of CO2Dseeing if the seal has been broken
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