A.cooling
B.smothering
C.chemical action
D.All of the above
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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
A.fuel tanks
B.spark plugs
C.carburetors
D.distributors
最新試題
Each hand portable fire extinguisher must be marked with（）.
Combustible gas indicators measure the presence of combustible gas as a percentage of the（）.
Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.
A fire starting by spontaneous combustion can be expected in which condition?（）.
Each fire hydrant must have at least one spanner and at least one（）.
According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent（）.
If，during helicopter refueling operations，fuel is spilled on clothing，the person should first（）.
Before using a fixed CO2 system to fight an engine room fire，you must（）.
Before a tank is to be crude oil washed，the oxygen content in the tank must be measured at a position（）.
Controls for a fixed carbon dioxide system shall be mounted（）.