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单选题
portable extinguisher（）
A
泡沫灭火器
B
干粉灭火器
C
便携式灭火器
D
卤化烃灭火器
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考题
Which of the following is (are)an advantage of a dry chemical extinguisher over a carbon dioxide extinguisher？The dry chemical extinguisher：Ⅰ．Has a greater range．Ⅱ．Provides a heat shield for the operator．A.ⅠonlyB.ⅡonlyC.Both Ⅰand ⅡD.Neither Ⅰ nor Ⅱ
考题
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?A.Test the pressure gauge for correct readingB.Weigh the cartridgeC.Replace the dry chemicalD.Pressure test the discharge hose
考题
A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged.It should be ______.A.replaced in its proper location if weight loss is no more than 15%B.replaced in its proper location if weight loss is no more than 25%C.labeled empty and recharged as soon as possibleD.labeled empty and replaced in its proper location regardless of weight
考题
The most effective way of applying carbon dioxide from a portable extinguisher to a fire is by ______．A.Forming a cloud cover over the flamesB.Directing the gas at the base of the flames in a slow sweeping motionC.Discharging the carbon dioxide into the heart of the flamesD.Bouncing the discharge off an adjacent bulkhead just above the burning surface
考题
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
考题
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
考题
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
考题
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
考题
Fire in the cabins. Close all fire doors and use the （）powder extinguisher.A、dryB、wetC、foamD、portable
考题
Never extinguish oil and electrical fires with （）.A、waterB、foam extinguisherC、CO2 extinguisherD、portable extinguisher
考题
单选题A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be（）.A
replaced in its proper location if weight loss is no more than 15%B
replaced in its proper location if weight loss is no more than 25%C
labeled empty and recharged as soon as possibleD
labeled empty and replaced in its proper location regardless of weight
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A foam-type portable fire extinguisher would be most useful in combating a fire in（）.A
soild materials such as wood or bales of fiberB
flammable liquidsC
a piece of electrical equipmentD
combustible metallic solids
考题
单选题A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be（）.A
labeled empty and recharged as soon as possibleB
replaced in its proper location if weight loss is no more than 25%C
replaced in its proper location regardless of weightD
replaced in its proper location if weight loss is no more than 15%
考题
单选题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
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When fighting a fire on a bulkhead using a portable carbon dioxide extinguisher，the stream should be directed at the（）.A
base of the flames，moving the horn from side to side，following the flames upward as they diminishB
top of the flaming area，moving the horn from side to side，following the flames downward as they diminishC
center of the flaming area，moving the horn vertically from top to bottomD
bottom of the flaming area，moving the horn vertically to the top following the flames upward as they diminish
考题
单选题Which types of portable extinguisher should you watch for the reflash of the fire?（）A
foam and waterB
CO2 and dry chemicalC
dry chemical and waterD
foam and CO2
考题
单选题If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?（）A
Fixed CO2,semi-portable CO2, then hand portable CO2B
Semi-portable CO2, fixedCO2, then hand portable CO2C
Hand portable, semi-portable CO2, then as a last resort the fixed CO2 systemD
Hand portable, fixed CO2, then as a last resort the semi-portable CO2
考题
单选题Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）A
Insure the chemical is powderyB
Replace the cartridgeC
Pressure test the discharge hoseD
Test the pressure gauge for proper operation
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A CO2 portable extinguisher is annually checked by（）.A
reading the gage pressureB
weighing the extinguisherC
discharging a small amount of CO2D
seeing if the seal has been broken
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