Burning oil
Electrical
Paint
All of the above
第1题：
______, as the chemical extinguisher agent, should be used for an electric fire.
A.dry chemical or foam
B.foam or soda acid
C.carbon dioxide or foam
D.carbon dioxide or dry chemical
第2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3题：
Which of the listed fire extinguishers cannot be easily recharged aboard ship?
A.Soda acid
B.Carbon dioxide
C.Dry chemical
D.cartridge-operated Foam
第4题：
CO2 and Halon extinguishers are used for electrical fire, as well as （）fire.
第5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6题：
An ABC dry chemical fire extinguisher would be LEAST effective against a fire in ______.
A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can
第7题：
As compared to carbon dioxide, dry chemical has which advantage? ______.
A.Cleaner
B.Effective on metal fires
C.Greater range
D.More cooling effect
第8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 reading
B.Weigh the cartridge
C.Replace the dry chemical
D.Pressure test the discharge hose
第9题：
Carry （）（手提灭火器）to the fire place.
第10题：
Test the pressure gauge for correct reading
Weigh the cartridge
Replace the dry chemical
Pressure test the discharge hose