單項(xiàng)選擇題After deploying the anchor,a permanent chain chaser is().

A.removed from the anchor chain
B.connected to a buoy at the anchor
C.stripped back to the rig and secured
D.connected to a buoy halfway down the chain


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1.單項(xiàng)選擇題A whipping on a fiber line().

A.keeps the ends from fraying
B.strengthens it
C.protects your hands
D.becomes part of a splice

2.單項(xiàng)選擇題A whipping is().

A.a messenger
B.a stopper for nylon line
C.a U-bolt for securing a cargo whip to the winch drum
D.turns of twine around a rope end

3.單項(xiàng)選擇題A tackle by which the outer end of a boom is raised and lowered is the topping().

A.boom
B.lift
C.raise
D.tackle

4.單項(xiàng)選擇題A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a().

A.riding pawl
B.buckler
C.devil's claw
D.locking ring

5.單項(xiàng)選擇題A splice that can be used in running rigging,where the line will pass through blocks,is a().

A.short splice
B.long splice
C.back splice
D.spindle splice