Close all fire doors and use the ()(干粉灭火器).
第1题:
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in ______.
A.generators
B.oil drums
C.the bridge controls
D.combustible metals
第2题:
An engine compartment gasoline fire requires which type of extinguisher?______.
A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above
第3题:
In order to discharge a CO2 portable fire extinguisher, the operator must FIRST ______.
A.invert the CO2 extinguisher
B.squeeze the two trigger handles together
C.remove the locking pin
D.open the discharge valve
第4题:
Carry ()(手提灭火器)to the fire place.
第5题:
关闭所有防火门并使用干粉灭火器。()
第6题:
Test the pressure gauge for correct reading
Weigh the cartridge
Replace the dry chemical
Pressure test the discharge hose
第7题:
solid materials such as wood or bales of fiber
flammable liquids
a piece of electrical equipment
combustible metallic solids
第8题:
generators
oil drums
the bridge controls
combustible metals
第9题:
foam or soda acid
dry chemical or foam
carbon dioxide or dry chemical
carbon dioxide or foam
第10题:
Check the tag to see when the extinguisher was last charged
Release a small amount of CO2; if the CO2 discharges,the extinguisher is acceptable
Weigh the extinguisher and compare the weight against that stamped on the valve
Recharge the extinguisher at least once each year
第11题:
turning it upside down
pressing the foam lever
squeezing the grip handle
opening the hose valve
第12题:
dry powder extinguisher
foam extinguisher
CO2 extinguisher
portable extinguisher
第13题:
An advantage of a dry chemical over a carbon dioxide fire extinguisher is its ______.
A.greater range
B.effectiveness on all types of fires
C.cleanliness
D.All of the above
第14题:
Generally, the first action in extinguishing an LFG fire caused by escaping gas is to ______.
A.sweep flames away with water spray
B.shut off the leak
C.use a chemical foam fire extinguisher
D.call the local fire department
第15题:
Fire in the cabins. Close all fire doors and use the ()powder extinguisher.
第16题:
()is best for electrical fire.
第17题:
Never extinguish oil and electrical fires with ().
第18题:
Close all fire doors and use the dry powder extinguisher.
Close all fire doors and use the foam extinguisher.
Close all fire doors and use the CO2 extinguisher.
Close all fire rooms and use the dry powder extinguisher.
第19题:
generators
oil drums
the bridge controls
combustible metals
第20题:
foam and water
CO2 and dry chemical
dry chemical and water
foam and CO2
第21题:
gravity when the extinguisher is turned upside down
pressure from a small CO2 cartridge on the extinguisher
air pressure from the hand pump attached to the extinguisher
pressure from the reaction when water is mixed with the chemical
第22题:
over the top of the flames
off a bulkhead into the fire
in front of the fire
at the base of the fire
第23题:
dry
wet
foam
portable