A.continue ahead at slow speed
B.continue ahead at half speed
C.stop your engines
D.back down on your engines
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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
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
最新試題
The margin plate is the（）.
You have been towing astern and have just let go the tow.Your deckhands are pulling in and faking the towline by hand on the stern.The most dangerous action to take is to（）.
What term indicates the line drawn at the top of the flat plate keel（）.
When a line is spirally coiled about its end and lying flat on deck，it is said to be（）.
What（）to him is whether the job of a deck officer allows him to pursue his studies.
What danger is presented if a waterspout passes over a ship?（）
When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.
The process of lowering a boom to a horizontal position and onto its deck support is called（）.
Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.
What is TRUE about hoisting operations（）.