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
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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
A.cargo runners
B.stays
C.topping lifts
D.All of the above
最新試題
An anchor winch should be equipped with mechanical brakes capable of holding（）.
A whipping is（）.
The standing part of a tackle is（）.
The size of wire rope is determined by the（）.
The square knot is used for（）.
In moderate wind and current what should be the length of chain with a single anchor?（）
If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.
Manila lines in which the strands are right-hand laid（）.
If kinking results while wire rope is being coiled clockwise，you should（）.
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.