单项选择题
Which mooring line prevents sideways motion of a vessel moored to a pier（）.
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
相关考题
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单项选择题
When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
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 -
单项选择题
What term indicates the line drawn at the top of the flat plate keel（）.
A.Base line
B.Molded line
C.Designer's waterline
D.Keel line -
单项选择题
What is TRUE about hoisting operations（）.
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
