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
The rolling hitch could be used to（）.
Anchor shackles should have a breaking strength that is（）.
Chafing gear is used to（）.
Manila lines in which the strands are right-hand laid（）.
The rope which is the lightest is（）.
Cribbing is（）.
Galvanizing would be suitable for protecting wire rope which is used for（）.
In securing a towing cable，consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by（）.
A splice that can be used in running rigging，where the line will pass through blocks，is a（）.
The strongest method of forming an eye in wire rope is using（）.