单项选择题
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
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相关考题
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单项选择题
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 -
单项选择题
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 -
单项选择题
The revolving drum of a winch used to haul lines is called a（）.
A.bull gear
B.gypsyhead
C.spanner
D.wildcat
