网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Dry chemical fire extinguishers are effective on which type(s) of fire?（）
A
Burning oil
B
Electrical
C
Paint
D
All of the above
参考答案
参考解析
解析：
暂无解析
更多 “单选题Dry chemical fire extinguishers are effective on which type(s) of fire?（）A Burning oilB ElectricalC PaintD All of the above” 相关考题
考题
Which of the listed fire extinguishers cannot be easily recharged aboard ship?A.Soda acidB.Carbon dioxideC.Dry chemicalD.cartridge-operated Foam
考题
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
______, 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
考题
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
An advantage of a dry chemical over a carbon dioxide fire extinguisher is its ______.A.greater rangeB.effectiveness on all types of firesC.cleanlinessD.All of the above
考题
As compared to carbon dioxide, dry chemical has which advantage? ______.A.CleanerB.Effective on metal firesC.Greater rangeD.More cooling effect
考题
An engine compartment gasoline fire requires which type of extinguisher?______.A.Carbon dioxideB.Dry chemicalC.FoamD.All of the above
考题
Carry （）（手提灭火器）to the fire place.A、extinguishersB、portable extinguishersC、dry foam extinguishersD、CO2 extinguishers
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
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Halon fire extinguishers are NOT effective when used on which types of fires?（）A
Fires in electrical equipmentB
Flammable oils and greasesC
Class A fires in ordinary combustiblesD
Materials containing their own oxygen
考题
单选题Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.A
coolingB
smotheringC
oxygen dilutionD
breaking the chain reaction
考题
单选题Portable foam type fire extinguishers are most effective on（）.A
mattress firesB
oil firesC
wood firesD
All of the above
考题
单选题Flames from small leaks of LFG may be extinguished by（）.A
utilizing carbon dioxide or dry chemical fire extinguishersB
utilizing soda and acid fire extinguishersC
blowing the flames outD
letting it burn itself out
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（）as the chemical extinguisher agent, should be used for a an electric fire.A
Dry chemical or foamB
Foam or soda acidC
carbon dioxide or foamD
carbon dioxide or dry chemical
考题
单选题An advantage of a dry chemical over a carbon dioxide fire extinguish is its（）.A
greater rangeB
effective on all types of firesC
cleanlinessD
All of the above
考题
单选题The type of extinguisher which should be used for an electricity fire is（）.A
foam or soda acidB
dry chemical or foamC
carbon dioxide or dry chemicalD
carbon dioxide or foam
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Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire?（）A
CO2B
ABC dry chemicalC
CO2 propelled foamD
All of the above
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
热门标签
最新试卷