The foam extinguisher should be used （）.A、in the endB、upside downC、down sideD、on top
The foam extinguisher should be used （）.
- A、in the end
- B、upside down
- C、down side
- D、on top
相关考题：
What type of extinguisher should be used for an electric fire? ________A.CO2B.FormC.WaterD.Water and Form
Upon the completion of required tests, a ____ should be placed on each extinguisher, showing the date and the person who completed the tests.A.capB.discC.tagD.cover
______, as the chemical extinguisher agent, should be used for an electric fire.A.dry chemical or foamB.foam or soda acidC.carbon dioxide or foamD.carbon dioxide or dry chemical
A carbon dioxide fire extinguisher should be recharged ______.A.at least annuallyB.whenever it is below its required weightC.only if the extinguisher has been usedD.before every safety inspection
A foam-type portable fire extinguisher is most useful in fighting a fire in ______.A.generatorsB.oil drumsC.the bridge controlsD.combustible metals
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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
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At each drill a different person should be in （）(负责)of an extinguisher.A、chargeB、loadC、dischargeD、handle
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单选题If，during helicopter refueling operations，fuel is spilled on clothing，the person should first（）.Asee the medic immediatelyBspray himself with foam or CO2Ccomplete his task and then see the medicDremove the clothing and wash
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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
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单选题A carbon dioxide fire extinguisher should be recharged（）.Aat least annuallyBwhenever it is below its required weightConly if the extinguisher has been usedDbefore every safety inspection
单选题After using a Halon extinguisher，it should be（）.Aput back in service if more than 50% of the charge remainsBrepaintedCdiscardedDrecharged
单选题Which statement is FALSE concerning precautions during fueling operations?（）AAll engines，motors，fans，etc. should be shut down when fuelingBAll windows，doors，hatches，etc. should be closedCA fire extinguisher should be kept nearbyDFuel tanks should be topped off with no room for expansion
单选题If,during helicopter refueling operations,fuel is spilled on clothing,the person should first（）.Asee the medic immediatelyBspray hinself with foam or COCcomplete his task and then see medicDremove the clothing and wash