A.Detachable
B.Open
C.Pear shaped
D.Stud link
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A.Single whip
B.Gun tackle
C.Luff tackle
D.Twofold purchase
A.A line led forward from the bow
B.A line led aft from the bow
C.A line led in the same direction as the keel
D.A line led at a right angle to the keel
A.on only the forward falls
B.on only the after falls
C.with a lead of about 45 degrees to the boat
D.from the falls to the main deck of the vessel
A.Base line
B.Molded line
C.Designer's waterline
D.Keel line
A.Personnel may work beneath suspended loads，as long as they are alert and wear hard hats
B.If a suspended load with no tag begins to spin，personnel should attempt to stop the spinning if the load is within reach
C.If tag lines are used to control a suspended load，they should be secured to the deck
D.Personnel not involved in the hoisting operation should be kept clear of the transfer area
最新試題
Which will cause a wire rope to fail（）.
You must ensure that lifesaving equipment is（）.
The tweendecker has（）below the main deck.
Which mooring line prevents sideways motion of a vessel moored to a pier（）.
The Repairer shall be relieved of all obligations under these terms and conditions caused by such all following matters except（）.
When a line is spirally coiled about its end and lying flat on deck，it is said to be（）.
The Customer agrees to pay the full invoiced price，plus all other amounts payable to the（）Repairer under these terms and conditions，relating to or arising out of the Works for the Customer.
What is meant by the term TOPPING THE BOOM?（）
Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.
You are operating a lift boat.When beginning to jack down you should（）.