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HALON FIRE EXTINGUISHER是指（）
- A、海伦灭火瓶
- B、干粉化学灭火瓶
- C、二氧化碳灭火瓶
- D、水灭火瓶
参考答案
更多 “HALON FIRE EXTINGUISHER是指（）A、海伦灭火瓶B、干粉化学灭火瓶C、二氧化碳灭火瓶D、水灭火瓶” 相关考题
考题
Halogenated hydrocarbon， Halon in short form，is used on board ship as ________ ．A.fire-extinguishing mediumB.a standard fire testC.a non-combustible materialD.a fire main
考题
Inspection of a Halon extinguisher involves checking the hose，handle，nozzle，and ______.A.sight glassB.weighing the extinguisherC.service technicians reportD.last date it was charged
考题
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
考题
Fire in the cabins. Close all fire doors and use the （）powder extinguisher.A、dryB、wetC、foamD、portable
考题
CO2 and Halon extinguishers are used for electrical fire, as well as （）fire.A、commonB、oilC、electricalD、chemical
考题
单选题This fire extinguisher is to be used only in case of（）A
urgencyB
crisisC
immediacyD
emergency
考题
单选题A foam-type portable fire extinguisher is most useful in fighting a fire in（）.A
generatorsB
oil drumsC
the bridge controlsD
combustible metals
考题
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?（）A
Dry chemicalB
HalonC
Low velocity fogD
Steam
考题
单选题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
考题
单选题Which portable fire extinguisher should be used on a class C fire on board a vessel?（）A
Carbon dioxideB
Water (stored pressure)C
FoamD
Carbon tetrachloride
考题
单选题On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）A
Carbon dioxideB
Water (stored pressure)C
Dry chemicalD
Foam
考题
单选题Halon extinguishes a fire by（）.A
breaking the chain reactionB
smothering the fireC
cooling the fireD
coating the fuel with a nonflammable surface
考题
单选题关闭所有防火门并使用干粉灭火器。（）A
Close all fire doors and use the dry powder extinguisher.B
Close all fire doors and use the foam extinguisher.C
Close all fire doors and use the CO2 extinguisher.D
Close all fire rooms and use the dry powder extinguisher.
考题
单选题Inspection of a Halon extinguisher involves checking the hose，handle，nozzle，and（）.A
sight glassB
weighing the extinguisherC
service technicians reportD
last date it was charged
考题
单选题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
考题
单选题An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.A
a mattressB
spilled liquids such as oil or paintC
high voltage electrical gearD
a trash can
考题
单选题After using a Halon extinguisher，it should be（）.A
put back in service if more than 50% of the charge remainsB
repaintedC
discardedD
recharged
考题
单选题Halon extinguishers used on a class C fire should be directed at the（）.A
base of the equipmentB
top of the equipmentC
power sourceD
source of the fire
考题
单选题Halon extinguishes fire primarily by（）.A
coolingB
smotheringC
shielding of radiant heatD
breaking the chain reaction
考题
单选题Halon from extinguishers used on a class B fire，should be directed（）.A
at the top of the flamesB
at the base of the fire near the edgeC
in short quick burstsD
toward the upwind side of the fire
考题
单选题Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.A
outsideB
on class C firesC
in an emergencyD
on class B fires
考题
单选题Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?（）A
Check the tag to see when the extinguisher was last chargedB
Release a small amount of CO2; if the CO2 discharges，the extinguisher is acceptableC
Weigh the extinguisher and compare the weight against that stamped on the valveD
Recharge the extinguisher at least once each year
考题
单选题When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.A
over the top of the flamesB
off a bulkhead into the fireC
in front of the fireD
at the base of the fire
考题
单选题What is the best title for this passage?A
The Dangers of a Fire.B
The Cause of a Fire.C
Learn to Use a Fire Extinguisher.D
Be Ready for a Fire.
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