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 lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
The process of lowering a boom to a horizontal position and onto its deck support is called（）.
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（）to him is whether the job of a deck officer allows him to pursue his studies.
What is TRUE about hoisting operations（）.
The margin plate is the（）.
The terms ceiling and margin plate are associated with the（）.
When a line is spirally coiled about its end and lying flat on deck，it is said to be（）.
Which mooring line prevents sideways motion of a vessel moored to a pier（）.
Fueling activities（）waste liquids and vapor releases to air.