A.Carbon dioxide
B.Water (stored pressure)
C.Dry chemical
D.Foam
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A.deteriorate and give off noxious gasses
B.spontaneously heat and catch fire
C.attract lice and other vermin and serve as a breeding ground
D.None of the above
A.fire-main system
B.feed-water system
C.freshwater sanitary system
D.domestic water tank
A.two rockets，one of which shall be the buoyant type
B.three rockets，one of which shall be the buoyant type
C.four rockets，two of which shall be the buoyant type
D.five rockets，two of which shall be the buoyant type
A.the cap should be removed to drain the boat when it is waterborne
B.the cage must be free of rubbish or the ball may not seat properly
C.there is an automatic ball check located in a siphon tube
D.the small lever to release the rubber ball float must be turned counterclockwise
A.Frapping line
B.Tricing line
C.Rottmer release
D.Winch remote control wire
最新試題
On a ship，firefighting equipment must be inspected once every（）.
During a fire drill on a ship，what action is required?（）
During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.
How many life buoys（）on board with self-igniting light?
Line throwing apparatus aboard ship must contain（）.
Safe water buoys may show ONLY（）.
In order for the automatic lifeboat drain to operate properly（）.
Oily rags stored in a pile that is open to the atmosphere are a hazard because they may（）.
Frapping lines are fitted to lifeboat davits to（）.
According to the ship regulations，the capacity of a liferaft is required to be marked（）.