A.stop ventilation
B.stop the vessel
C.de-energize the circuit
D.apply water to extinguish the fire
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A.carbon dioxide
B.Halon 1301
C.dry chemical
D.water fog
A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above
A.pack-strap carry
B.two man extremities carry
C.fireman's drag
D.four man log roll
A.Fire a red flare at night or a red smoke signal by day
B.Send the Morse signal N by flashing light
C.Make a round turn (360°) and resume course
D.Make an S turn (hard right then hard left) and resume course
A.greater range
B.effectiveness on all types of fires
C.cleanliness
D.All of the above
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An effective method for moving patients with spinal injuries onto a spine board is known as the（）.
All of the following are part of the fire triangle EXCEPT（）.
A spanner is a（）.
An inert gas system on a tanker should be used to（）.
According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）
An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.
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