A.the engineers，from a panel in the engine room
B.shutting off the current to the winch
C.pushing the switch lever arm while the winch is running
D.All of the above
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A.increasing the shaft RPM prior to release
B.using a pelican hook for quick release
C.using preventers
D.using a short chain for the lead through the stern chock
A.5 times the depth of the water in good holding ground
B.10 times the depth of the water in shallow water
C.2 times the depth of the water in poor holding ground
D.8 times the depth of the water in deep water
A.coil it counterclockwise
B.not coil it
C.take a turn under
D.twist out the kinks under a strain
A.when the line pull reaches the rated winch capacity
B.after the line pull exceeds the rated winch capacity
C.after a short build-up of torque
D.immediately
A.anchoring
B.mooring
C.sewing
D.splicing
最新試題
Manila lines in which the strands are right-hand laid（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
A whipping on a fiber line（）.
The rolling hitch could be used to（）.
An anchor winch should be equipped with mechanical brakes capable of holding（）.
Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use?（）.
If kinking results while wire rope is being coiled clockwise，you should（）.
Cribbing is（）.
Galvanizing would be suitable for protecting wire rope which is used for（）.
Manila slings should not be used to load（）.