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單項選擇題

Installing tandem anchors on the same mooring line is referred to as（）.

A.doubling
B.pretensioning
C.piggybacking
D.paralleling

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單項選擇題

In a crossing situation，a vessel fishing must keep out of the way of a vessel which is（）.

A.under sail
B.towing
C.restricted in her ability to maneuver
D.engaged in pilotage duty

單項選擇題

In a combination chain and wire rope mooring system，the anchor chain is deployed at the anchor end of the line to（）.

A.increase fatigue life of the system
B.reduce the time to retrieve the line
C.increase the holding power
D.reduce the catenary

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