單項(xiàng)選擇題A sufficient amount of chain must be veered when anchoring a vessel to ensure().

A.the vessel has enough room to swing while at anchor
B.the anchor flukes bite into the ocean bottom
C.there is sufficient weight from the anchor and chain to prevent dragging
D.there is more chain out than there is in the chain locker


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1.單項(xiàng)選擇題A spring line is a().

A.mooring line made of spring lay wire rope
B.mooring line running diagonally to the keel
C.mooring line parallel to the keel
D.wire rope used for securing an anchor buoy

2.單項(xiàng)選擇題A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called().

A.Spring lay
B.Lang lay
C.Cable lay
D.Alternate lay

3.單項(xiàng)選擇題A rope made of a combination of wire and fiber is known as().

A.independent
B.lang lay
C.preformed
D.spring lay

4.單項(xiàng)選擇題A permanent chain chasing system is used to().

A.clean anchor chain as it's hauled in
B.recover anchors which have lost their buoys
C.run and retrieve anchors
D.prepare anchor chain for inspection

5.單項(xiàng)選擇題A pelican hook().

A.can be released while under strain
B.is used for boat falls
C.is used for extra heavy loads
D.is used for light loads only