单项选择题

The purpose of cant frames in steel vessels is（）.

A.To support the overhang of the stern
B.To strengthen the plating against the pounding of the sea
C.To add strength to the deck beams which support the weather deck
D.To support the plating of a cylindrical tank

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热门试题

单项选择题The platform that supports the derrickman when tripping pipe is called the（）.

A.Texas deck
B.water table
C.stabbing board
D.monkey board

单项选择题The perforated，elevated bottom of the chain locker，which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains，is called a（）.

A.cradle
B.draft
C.harping
D.manger

单项选择题The opening in the deck that leads the anchor cable outside the hull is the（）.

A.hawsepipe
B.fall pipe
C.drop-pipe
D.spill pipe

单项选择题The opening in the deck beneath the anchor windlass that leads to the chain locker is the（）.

A.hawse pipe
B.fall pipe
C.drop-pipe
D.spill pipe

单项选择题The machinery associated with heaving in and running out anchor chain is the（）.

A.winch
B.windlass
C.draw works
D.dynamic pay out system