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
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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
A.the mess room
B.each lifeboat
C.each industrial work site
D.each fire station
最新試題
If absolutely necessary，the best way to land on a beach in a motor lifeboat is to（）.
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（）.
After abandoning ship，you should deploy the sea anchor from a liferaft to（）.
Line throwing apparatus aboard ship must contain（）.
On a ship，when may a work vest be substituted for a required life preserver?（）
Safe water buoys may show ONLY（）.
The sea painter is secured in the lifeboat by（）.
In addition to the life jackets stowed at each berth location，life jackets must be stowed at each watch station and（）.
The connection facilities for the international shore connection must be located to provide access（）.