A.pump from the damaged tank
B.fight a fire
C.abandon the rig
D.use the crossover system
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A.A fusible link will automatically open after a fire is extinguished and reset the damper
B.Fusible links must be replaced at every inspection for certification
C.Fusible links are tested by applying a source of heat to them
D.Fusible links must be replaced if a damper is activated
A.foam or soda acid
B.dry chemical or foam
C.carbon dioxide or dry chemical
D.carbon dioxide or foam
A.all the spaces of a vessel
B.all cargo spaces
C.the engine room and largest cargo space
D.the space requiring the largest amount
A.size of the fire when initially observed
B.complete containment of the fire
C.cooling ability of the firefighting agent
D.class of the fire
A.shield fire fighters from radiant heat
B.break up burning material
C.get the most water possible on the fire
D.drive heat and smoke ahead of the fire fighters
最新試題
Water fog from an all-purpose nozzle may be used to（）.
What are the most important reasons for using water fog to fight fires?（）
The wooden plug inserted in the vent of a damaged tank of a ship should be removed in case it is decided to（）.
The spread of fire is NOT prevented by（）.
What does blowing tubes accomplish?（）
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
What is best suited for fighting a fire in a ballast control room?（）
To prevent the spread of fire by conduction you should（）.
The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.