單項(xiàng)選擇題
A.prevent stress concentration in the bulwark B.permit easy jettison of deck cargo in an emergency C.provide openings through the bulwarks for mooring lin D.allow water shipped on deck to flow off rapidly
A.can be used in conjunction with wire or spring-lay rope B.can be stored on decks exposed to sunlight C.can hold a load even when a considerable amount of the yarns have been abraded D.gives audible warning of overstress whereas manila does not
A.date of the test B.load at which a test sample broke C.name of the vessel D.number of strands and of wires in each strand
A.stackers B.twistlock C.bridge fittings D.containment booms
A.a bulge in the wire where the strain occurred B.a decrease in diameter where the strain occurred C.a kink in the wire where the strain occurred D.no visible effects of an overstrain
A.breakout wrench B.makeup tongs C.chain tongs D.pipe spinner
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
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
A.Spring lay B.Lang lay C.Cable lay D.Alternate lay
A.independent B.lang lay C.preformed D.spring lay
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
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