Foam-type portable fire extinguishers are most useful in combating fires involving ______.A.solid materials such as wood or bales of fiberB.inflammable liquidsC.electrical equipmentD.metallic solids
Foam-type portable fire extinguishers are most useful in combating fires involving ______.
A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
相关考题：
The required number and type of hand portable fire extinguishers for staterooms on cargo vessels is ______.A.one A-IB.one B-IC.one C-ID.none required
To determine the number of portable fire extinguishers required on an inspected vessel，you should check the ______.A.hot work permitB.Certificate of InspectionC.Safety of Life at Sea CertificateD.station bill
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
All portable fire extinguishers must be capable of being ______.A.carried by hand to a fireB.carried or rolled to a fireC.recharged in the fieldD.used on class “B” fire
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
Carry （）（手提灭火器）to the fire place.A、extinguishersB、portable extinguishersC、dry foam extinguishersD、CO2 extinguishers
单选题Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.Aused for electrical fires onlyBthe smallestCthe most accessibleDthe most effective
单选题Halon fire extinguishers are NOT effective when used on which types of fires?（）AFires in electrical equipmentBFlammable oils and greasesCClass A fires in ordinary combustiblesDMaterials containing their own oxygen
单选题Foam-type portable fire extinguishers are more usefull in combating fires involving（）.Asolid materials such as wood or bales of fiberBinflammable liquidsCelectrical equipmentDmetallic solids
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Foam-type portable fire extinguishers are most useful in combating fires involving（）.Asolid materials such as wood or bales of fiberBinflammable liquidsCelectrical equipmentDmetallic solids
单选题Portable foam type fire extinguishers are most effective on（）.Amattress firesBoil firesCwood firesDAll of the above
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Portable carbon dioxide fire extinguishers should be sent ashore to be recharged （）.Awhen the remaining charge volume is less than 90 percent of the required VOLUMEBat each inspection for certificationCat each annual inspectionDwhen the weight loss exceeds 10% of weight of charge
单选题What is NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers?（）AThe rated capacity in gallons，quarts，or poundsBThe hydrostatic test date of the cylinderCThe name of the itemDAn identifying mark of the actual manufacturer
单选题The required number and type of hand portable fire extinguishers for staterooms on cargo vessels is（）.Aone A-IBone B-ICone C-IDnone required
单选题Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.Aused for electrical fires onlyBthe smallestCthe most accessibleDthe most effective
单选题All portable fire extinguishers must be capable of being（）.Acarried by hand to a fireBcarried or rolled to a fireCrecharged in the fieldDused on class 'B' fires
单选题Which types of portable fire extinguishers are designed for use on electrical fires?（）ADry chemical and carbon dioxideBFoam (stored pressure) and soda-acidCCarbon dioxide and foam (stored pressure)DDry chemical and soda-acid
单选题A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.AgeneratorsBoil drumsCthe bridgeDcombustible metals
单选题Each hand portable fire extinguisher on a ship must be marked with（）.Athe name of the unit on which it is locatedBthe date that it was installed on the unitCthe names of the individuals qualified to use itDan identification number different from other extinguishers on the unit
单选题Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.Aonly when fully loadedBif one or more tanks are fullCwhen transferring cargoDonly when the barge is being towed
单选题To determine the number of portable fire extinguishers required on an inspected vessel，you should check the（）.Ahot work permitBCertificate of InspectionCSafety of Life at Sea CertificateDMuster List
单选题All portable fine extinguishers must be capable of being（）.Acarried by hand to a fireBcarried or rolled to a fireCrecharged in the fieldDused on class B fires