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
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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
A.driving wooden plugs into the vents
B.closing the lids on the vents
C.plugging the scuppers
D.plugging the sounding pipes
最新試題
The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）
The spread of fire is NOT prevented by（）.
The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to（）.
To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.
What are the most important reasons for using water fog to fight fires?（）
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
Triethylene glycol fires may be extinguished by（）.
What is the most important characteristic of the extinguishing agent in fighting a class C fire?（）
To determine if a CO2 fire extinguisher is fully charged，you would（）.
What does the term head mean when applied to a fire pump?（）