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 （）.<br>A:excessive loads are placed on the winch<br>B:minimum pull is being exerted by the winch<br>C:automatic operation of the winch is desired<br>D:wire is being retrieved at the maximum rate

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 （）.
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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