單項(xiàng)選擇題

Uncoiling manila line improperly can result in a(n)（）.

A.number of fishhooks
B.kink in the line
C.50% loss of efficiency of the line
D.increase in deterioration of the line

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Two mooring lines may be placed on the same bollard and either one cast off first if（）.

A.the eye of the second line is dipped
B.the mooring lines are doubled
C.the bollard has two horns
D.one of the lines is a breast line

單項(xiàng)選擇題

Tugs sometimes shackle a length of chain in the towline in order to（）.

A.take the wear should the towline drag bottom
B.assure that if the towline is overstressed it will part close to the bridle
C.prevent the towline from whipping should it part
D.put spring in the towline