The clutch band of a constant tensioning mooring w...
单选题

The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum and should slip only when ().

发布日期:2021-03-22

A.excessive loads are placed on the winch

B.minimum pull is being exerted by the winch

C.automatic operation of the winch is desired

D.wire is being retrieved at the maximum rate

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