轮机英语【二三管】题库

单选题 1分

The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winc...

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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When exercising port state control, all possible efforts should be made to _____
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轮机英语【二三管】-题库

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