A.first
B.following control of fire
C.following restoration of vital services
D.only if a threat exists
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A.immediately after restoring vital services
B.immediately
C.following control of flooding
D.following establishment of fire boundaries
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
最新試題
Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.
Control of fire on a ship should be addressed（）.
Dry chemical fire extinguishers are effective on which type(s) of fire?（）
Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.
A fire starting by spontaneous combustion can be expected in which condition?（）.
If，during helicopter refueling operations，fuel is spilled on clothing，the person should first（）.
During a fire drill on a ship，what action is required?（）
Blocking open or removing fire dampers can cause（）.
Each fire hydrant serving machinery spaces containing oil fired boilers，internal combustion machinery，or oil fuel units must be equipped with a（）.
A fire must be ventilated（）.