A.flash point
B.upper explosive limit
C.lower explosive limit
D.fire point
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A.cooling
B.smothering
C.chemical action
D.All of the above
A.a tug comes alongside while the tanker is loading grade D and E cargoes
B.a large，fresh oil spill is discovered immediately adjacent to the side of the tanker
C.there is an electrical storm in the vicinity
D.there is a fire on the dock or on a nearby vessel
A.fixed foam systems to be ineffective
B.faster cooling of the fire
C.the accumulation of explosive gases
D.the fire to spread through the ventilation system
A.secure the engine room ventilation
B.secure the machinery in the engine room
C.evacuate all engine room personnel
D.All of the above
A.immediately above the level of the oil
B.at the top of the tank
C.in the vent riser
D.one meter from the deck
最新試題
Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.
Control of fire on a ship should be addressed（）.
A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
Each fire pump on a ship must have a pressure gauge located at（）.
A fire starting by spontaneous combustion can be expected in which condition?（）.
During a fire drill on a ship，what action is required?（）
According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent（）.
Each hand portable fire extinguisher must be marked with（）.
Combustible gas indicators measure the presence of combustible gas as a percentage of the（）.
A fire in electrical equipment should be extinguished by using（）.