A.cooling the gas below the ignition point
B.cutting off the supply of oxygen
C.stopping the flow of gas
D.interrupting the chain reaction
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A.stop the ventilation
B.sound the general alarm
C.determine the source of the fire
D.attempt to extinguish the fire
A.permit the passage of vapor but not of flame
B.prevents the passage of flammable vapors
C.prevents inert gas from leaving a tank
D.permits vapors to exit but not enter a tank
A.generators
B.oil drums
C.the bridge controls
D.combustible metals
A.soild materials such as wood or bales of fiber
B.flammable liquids
C.a piece of electrical equipment
D.combustible metallic solids
A.water
B.foam
C.the range hood extinguishing system
D.fire dampers
最新試題
When steering by autopilot,how often should the steering be checked?（）
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
（）is on the panel of radar.
ECDIS must be able to perform all of the following EXCEPT（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
Which of the following is not a form of precipitation?（）
Manoeuvring information can not be obtained from（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
The mean draft of a ship is the draft（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.