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
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A.anchoring
B.mooring
C.sewing
D.splicing
A.cargo runners
B.stays
C.topping lifts
D.All of the above
A.fatigue
B.corrosion
C.distortion
D.abrasion
A.wooden blocks or dunnage placed between a deck load and the deck
B.the chains and shackles used to secure a deck cargo
C.a crate in which a deck cargo is packaged
D.cardboard separation pieces placed between deck loads to prevent chafing
A.has less strength than manila line
B.has more strength than manila line
C.is equivalent to manila line
D.will rot quicker than manila line
最新試題
A tackle by which the outer end of a boom is raised and lowered is the topping（）.
The square knot is used for（）.
The size of wire rope is determined by the（）.
The purpose of a devil’s claw is to（）.
A whipping on a fiber line（）.
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（）.
The only wire rope termination which may be made in the field is（）.
Manila lines in which the strands are right-hand laid（）.
Compared to manila line，size for size，nylon line（）.
Chafing gear is used to（）.