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
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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
A.lifeboat is no longer needed
B.lifeboat is needed badly
C.lifeboat is needed not more
D.lifeboat is urgently needed
最新試題
Which is TRUE concerning immersion suits and their use?（）
The steering oar in a lifeboat is usually referred to as the（）.
Which person may command a lifeboat in ocean service?（）
When launching an open lifeboat by falls，the boathooks should be（）.
What is required by regulations concerning the stowage of lifeboats on cargo vessels?（）
The type of davit on which you must turn a crank in order to swing the lifeboat out over the ship’s side is a（）.
What shall be conducted during a fire and boat drill?（）
What is the minimum number of deck officers，able seaman or certificated persons required for a lifeboat on a vessel in ocean service?（）
Which statement concerning the collection of fresh water is FALSE?（）
What is TRUE concerning frapping lines?（）