A.cooling the outside bulkheads with water
B.shutting all sources of air into the compartment
C.closing the sea chest
D.flooding the compartment with salt water
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A.contaminating food with extinguishing agent
B.shutting all sources of air into the compartment
C.closing the sea chest
D.a grease fire in the ventilation system
A.remain on course and hold speed
B.change course and put the stern to the wind
C.change course to put the wind on either beam and increase speed
D.remain on course but slack the speed
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
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
最新試題
In the Northern hemisphere northerly winds may cause temperature（）.
Bales close to the deckhead should be covered to prevent（）.
Full details of all lights and fog signals are shown on（）.
According to the relevant regulation, lifeboat should be powered by（）.
The ISM code is part of（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
Which of the following is not a form of precipitation?（）
A tide is called diurnal when（）.