A.Dry chemicals
B.CO2
C.Foam
D.All the above
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A.Water
B.Sand
C.CO2
D.Dry chemical
A.Leaves a residue
B.Cost，relative to other agents
C.Breaks down while under prolonged storage
D.Conducts electricity
A.Electrically non-conductive
B.Relatively inexpensive
C.Effective against chemicals containing an oxidizer
D.All of the above
A.Insure the chemical is powdery
B.Replace the cartridge
C.Pressure test the discharge hose
D.Test the pressure gauge for proper operation
A.On the Ship Station License
B.On the side of the EPIRB transmitter
C.In the radio log
D.On the Certificate of Inspection
最新試題
Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire?（）
Which fire extinguishing agent has the greatest capacity for absorbing heat?（）
When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）
When must a dry chemical fire extinguisher be recharged?（）
When towing astern what equipment should be stowed ready for use near the towline?（）
Where would you find the FCC authorization for transmitting on your ship’s EPIRB?（）
Which precaution should be taken when testing a line throwing gun?（）
Which extinguishing agent is the best for use on electrical fires?（）
When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required?（）
When water is used to fight a fire on board a ship，the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?（）