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 item is NOT included in the fireman’s outfit on a cargo vessel?（）
When used to fight fire，carbon dioxide（）.
When should a fire be ventilated?（）
Which statement is FALSE concerning precautions during fueling operations?（）
When loading or discharging dry mud or cement，crew members should use facial respirator masks and（）.
Which fire detection system is actuated by sensing a heat rise in a compartment?（）
Which is a disadvantage of Halon as a fire extinguishing medium?（）
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?（）
Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?（）
When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.