A.Ensure the bight is not fouled by taking up slack
B.Pay out the line smartly and keep it free for running
C.Secure the line by adding more turns
D.Surge the line so it maintains a strain without parting
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A.Using a medium graphite grease as a lubricant
B.Operating a winch too slow
C.Using a sheave with an undersized throat
D.A sheave diameter of 24 times the wire's diameter
A.Detachable
B.Open
C.Pear shaped
D.Stud link
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
最新試題
Fueling activities（）waste liquids and vapor releases to air.
The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is（）.
The margin plate is the（）.
What is TRUE about hoisting operations?（）
Which tackle arrangement has the LEAST mechanical advantage（）.
Which will cause a wire rope to fail（）.
When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.
The tweendecker has（）below the main deck.
The vessel or other goods upon which the Works have been carried out must be（）from the Repairer’s worksite within 3 days after the invoice date or in accordance with other written notification by the Repairer to the Customer.
The minimum length of a boat painter for a lifeboat in ocean service is（）.