A.removing the oxygen
B.cooling the fire below the ignition temperature
C.removing combustible material
D.diluting combustible vapors
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A.extinguish the fire which triggers it
B.limit the spread of fire and control the amount of heat produced
C.protect people in the areas which have sprinkler heads
D.alert the crew to the fire
A.straw
B.booms
C.skimmers
D.chemical dispersants
A.CO2
B.dry chemical
C.water
D.foam
A.45°upward
B.vertically upward
C.vertically downward
D.all of the above
A.all emergency signals
B.instructions for lowering the survival craft
C.the time each weekly drill will be held
D.work schedule
最新試題
To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.
Traditionally，the signal for fire aboard ship is（）.
What does the term head mean when applied to a fire pump?（）
The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.
There is a fire aft aboard your vessel. To help fight the fire，you should（）.
The spread of fire is prevented by（）.
What are the most important reasons for using water fog to fight fires?（）
To prevent the spread of fire by conduction you should（）.
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
Under the regulations for cargo vessels，which statement is TRUE concerning fireman’s outfits?（）