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
The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
Normally，potable water systems are connected directly to the（）.
The connection facilities for the international shore connection must be located to provide access（）.
On a ship，firefighting equipment must be inspected once every（）.
Each open lifeboat carried on a vessel on an international voyage must have（）.
According to the ship regulations，the capacity of a liferaft is required to be marked（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
On a ship，how many ring buoys are required to have a buoyant line attached?（）
In order for the automatic lifeboat drain to operate properly（）.
The falls on gravity davits are（）.