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单选题
Portable foam type fire extinguishers are most effective on（）.
A
mattress fires
B
oil fires
C
wood fires
D
All of the above
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The most effective way to apply a foam stream if the fire is on deck or is a runing fire, is to direct the stream ______.A.onto the surface of the burning liquidB.ahead of the burning liquid and bounce it on the fireC.at the base of the burning liquid in a sweeping motionD.just above the surface of the burning liquid
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Which of the listed fire extinguishers cannot be easily recharged aboard ship?A.Soda acidB.Carbon dioxideC.Dry chemicalD.cartridge-operated Foam
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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
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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 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
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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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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
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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
考题
Carry （）（手提灭火器）to the fire place.A、extinguishersB、portable extinguishersC、dry foam extinguishersD、CO2 extinguishers
考题
单选题A portable foam fire extinguisher is placed in operation by（）A
turning it upside downB
pressing the foam leverC
squeezing the grip handleD
opening the hose valve
考题
单选题Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.A
used for electrical fires onlyB
the smallestC
the most accessibleD
the most effective
考题
单选题Which of the listed fire extinguishers cannot be easily recharged aboard ship?（）A
Soda acidB
Carbon dioxideC
Dry chemicalD
Cartridge-operated Foam
考题
单选题Foam-type portable fire extinguishers are more usefull in combating fires involving（）.A
solid materials such as wood or bales of fiberB
inflammable liquidsC
electrical equipmentD
metallic solids
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
考题
单选题What is an advantage of using foam in fire fighting?（）A
It is MOST effective on very hot oil fires where the temperatures of the liquid exceed 100°C (212°F)B
Most foams can be used with dry chemicals to attack a fire by two methodsC
Foam is effective on combustible metal firesD
Foam can be made with seawater or fresh water
考题
单选题What is an advantage of using foam in fire fighting?（）A
It is effective in controlling fire in flowing oil such as coming from a broken fuel lineB
It absorbs heat from materials that could cause reignitionC
Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishmentD
Once the surface is blanketed with foam and the fire is extinguished，no further foam is required
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 statement about firefighting foam is TRUE?（）A
Foam conducts electricityB
To be most effective，foam should be directed at the base of the fireC
Foam is most effective on burning liquids which are flowingD
Foam can ONLY be used to extinguish class A fires
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
考题
单选题Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.A
used for electrical fires onlyB
the smallestC
the most accessibleD
the most effective
考题
单选题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' fires
考题
单选题Which types of portable fire extinguishers are designed for use on electrical fires?（）A
Dry chemical and carbon dioxideB
Foam (stored pressure) and soda-acidC
Carbon dioxide and foam (stored pressure)D
Dry chemical and soda-acid
考题
单选题Carry （）（手提灭火器）to the fire place.A
extinguishersB
portable extinguishersC
dry foam extinguishersD
CO2 extinguishers
考题
单选题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
Muster List
考题
单选题Dry chemical fire extinguishers are effective on which type(s) of fire?（）A
Burning oilB
ElectricalC
PaintD
All of the above
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