A.Enough for 100 percent of the persons allowed on board
B.One for each work station and industrial work site
C.Enough for 150 percent of the persons allowed on board
D.Both A and B above
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A.more harmful to sea life than lighter oils
B.easier to clean up than lighter refined oils
C.less harmful to sea life than lighter oils
D.not a real threat to marine life
A.at work
B.in his or her berthing area
C.BOTH at work and in his or her berthing area
D.None of the above are correct
A.every 6 months after initial installation
B.every 12 months after initial installation
C.every 24 months after initial installation
D.on or before the expiration date of the power source
A.pull it out with pliers
B.cut the skin from around the hook
C.push the barb through，cut it off，then remove the hook
D.have a surgeon remove it
A.A mooring winch
B.A windlass
C.A deck crane
D.A lifeboat engine
最新試題
The last shot of an anchor cable is usually painted（）.
What could be a result of insufficient lubrication of lifeboat winches and davits?（）
When backing a motor propelled lifeboat (right-hand propeller) with the rudder amidships，the stern will back（）.
When launching an open lifeboat by falls，the boathooks should be（）.
The life jackets on all vessels shall be（）.
The light on a life jacket must be replaced（）.
When transferring survivors from an enclosed lifeboat to a rescue vessel，personnel on board the boat should（）.
What is required by regulations concerning the stowage of lifeboats on cargo vessels?（）
Which item of lifeboat equipment would be most suitable for night signaling to a ship on the horizon?（）
When landing a lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward) the recommended procedure is to（）.