A.the lack of cooling effect on heated materials
B.that it cannot be used in a dead ship situation with no electrical power to the CO2 pump
C.that it breaks down under extreme heat to form poisonous gases
D.there is no effect on a class A fire even in an enclosed space
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A.pump from the damaged tank
B.fight a fire
C.abandon the rig
D.use the crossover system
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
最新試題
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 ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）
The type of extinguisher which should be used for an electricity fire is（）.
What is meant by the term overhaul in firefighting?（）
What is NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers?（）
What is the most vulnerable part of the fire main system on board an offshore rig?（）
What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）
The success of an indirect attack on a fire depends on the（）.
The spread of fire is prevented by（）.