A.cotton
B.lumber
C.steel
D.tires
您可能感興趣的試卷
你可能感興趣的試題
A.should be coiled in a clockwise direction
B.should be coiled in a counterclockwise direction
C.may be coiled either clockwise or counterclockwise
D.should never be coiled
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
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
最新試題
Manila lines in which the strands are right-hand laid（）.
The size of wire rope is determined by the（）.
An anchor winch should be equipped with mechanical brakes capable of holding（）.
Chafing gear is normally used（）.
Limit switches on gravity davits should be tested by（）.
Galvanizing would be suitable for protecting wire rope which is used for（）.
The standing part of a tackle is（）.
The square knot 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（）.
In moderate wind and current what should be the length of chain with a single anchor?（）