A.Jack down one leg at a time
B.Jack up first，then down
C.Undog doors to the engine room
D.Assemble all personnel on the main deck
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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
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
最新試題
When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.
When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
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（）.
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 tweendecker has（）below the main deck.
What is TRUE about hoisting operations（）.
Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.
You are handling a mooring line and are instructed to Check the line.What should you do（）.
What is TRUE about hoisting operations?（）