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
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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
A.punt used for painting over the side
B.small, reciprocating steam engine
C.spool-shaped drum fitted on a winch
D.swinging derrick
A.must be wet before it will release
B.should be kept in a watertight except in an emergency
C.will inflate the raft in its cradle if operaterd manually
D.must be submerged to a certain depth to release automatically
最新試題
The helm command PORT TWENTY means（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
ECDIS must be able to perform all of the following EXCEPT（）.
It is dangerous for vessels without the operational radar（）the estuary.
In the Northern hemisphere northerly winds may cause temperature（）.
When the wave period and the apparent rolling period are the same（）.
（）is where the crew eat their meals.
The dew point temperature is（）.
Full details of all lights and fog signals are shown on（）.
The loading of the ship must be done in accordance with（）.