ops and seamanship 7 Flashcards
A cockle can reduce line strength by as much as a _______________.
third
Fake down double-braided line in __________________ patterns
figure-eight
It is recommended that three-strand synthetic lines be faked down on deck and allowed to relax for ___________________.
Twenty four hours
Lengths less than _________________ feet will relax in one hour when laid out straight.
50
The towing rig should be inspected _____________________. If doubt exists on the reliability, replace the tow line components.
Before and after every use
Detachable link parts are ________________ interchangeable. Keep each link’s parts together and separate from the others.
not
Measure wire rope diameter at _______________ or more places with __________________ calipers
six/vernier
Replace if Wear of _________________ of the original diameter of the outside individual wires
1/3
replace if _____________ broken wires in one rope lay length, or ______________ broken wires in one strand lay length
Six/three
replace if ______________ broken wire within one rope lay length of any end fitting.
one
The zinc anodes in the hydraulic drive unit saltwater cooler are inspected weekly or every ______________ when the towing machine is operating.
24 hours
The tow rollers are inspected and lubricated _____________ and prior to each towing operation.
Monthly
The towing machine is lubricated and test operated _____________.
Monthly
The brakes and controller are inspected _______________.
Semiannual
The towing gear accessories, winch control components, clutch brake compressor, and motor are inspected _________________-.
annually
When a rope is used in towing operations without a towing engine, the towing hawser must have a scope of at least ______________________ especially for long tows and in heavy weather.
200 fathoms (1200 feet)
