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 small boat，which knot is best suited for attaching a line to the ring of an anchor?（）
In order for the automatic lifeboat drain to operate properly（）.
The falls on gravity davits are（）.
Frapping lines are fitted to lifeboat davits to（）.
In addition to the life jackets stowed at each berth location，life jackets must be stowed at each watch station and（）.
Normally，potable water systems are connected directly to the（）.
According to the ship regulations，the capacity of a liferaft is required to be marked（）.
The connection facilities for the international shore connection must be located to provide access（）.
In launching a covered lifeboat，what would safely lower the lifeboat from inside the lifeboat cabin?（）
On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）