單項(xiàng)選擇題When checking a mooring line，you should（）.

A.ensure the bight is not fouled between the ship and the dock by taking up slack
B.pay out slack smartly and keep free for running
C.secure more turns to hold the line against any strain，then clear the area
D.surge the line so that it maintains a strain without parting


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1.單項(xiàng)選擇題When anchoring a small sailing vessel in rough weather，the best anchor line would be composed of（）.

A.chain-wire
B.chain-manila
C.chain-nylon
D.all chain

2.單項(xiàng)選擇題What is meant by spotting the boom?（）

A.Lowering it into a cradle
B.Placing it in a desired position
C.Spotting it with wash primer and red lead
D.Two-blocking it

3.單項(xiàng)選擇題What is likely to occur when you are surging synthetic mooring lines on the gypsyhead during mooring operations?（）

A.The lines may jam and then jump off the gypsyhead
B.If there is sudden strain on the line，the man tending the line may be pulled into the gypsyhead
C.The lines' surging may cause the vessel to surge
D.The heat generated may cause the lines to temporarily fuse to the gypsyhead

4.單項(xiàng)選擇題Two types of anchor shackles which are currently available are（）.

A.U-Type and posilok shackles
B.C-Type and wedge shackles
C.D-Type and bow shackles
D.wedge and kenter shackles

5.單項(xiàng)選擇題The revolving drum of a winch used to haul lines is called a（）.

A.bull gear
B.gypsyhead
C.spanner
D.wildcat