单项选择题

A.cradleB.draftC.harpingD.mangerThe perforated，elevated……

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

<上一题目录下一题>

热门试题

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

单项选择题The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.

A.flex joint
B.slip joint
C.heave joint
D.riser joint

单项选择题The athwartship hull structural members of a ship are（）.

A.stringers
B.girders
C.breasthooks
D.deck beams