A.immediately after restoring vital services
B.immediately
C.following control of flooding
D.following establishment of fire boundaries
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A.flash point
B.upper explosive limit
C.lower explosive limit
D.fire point
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
最新試題
During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. The smoke’s color will be（）.
During a fire drill on a ship，what action is required?（）
Cargo transfer operations on a tanker need NOT be stopped when（）.
Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.
Each fire hydrant must have at least one spanner and at least one（）.
A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
Dry chemical fire extinguishers are effective on which type(s) of fire?（）
Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.
CO2 extinguishes a fire by（）.
Each hose in the fuel transfer system for helicopter refueling must meet the standards of the（）.