A.International Cargo Bureau Regulations
B.Load Line Regulations
C.Rules and Regulations for Cargo and Miscellaneous Vessels
D.Vessel's classification society rules and regulations
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A.Hoist upper & lower limits
B.Luff travel limits
C.Rider block hoist upper & lower limits
D.All of the above
A.is the SWL of the crane
B.are the SWL of the crane
C.the SWL of the crane is
D.the SWL of the crane are
A.executed
B.located
C.fixed
D.measured
A.Electro-hydraulic units
B.Steam units
C.Independent internal combustion power units
D.All of the above
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
最新試題
The net productivity per gang-hour can be improved through a decrease of（）.
When using slings，cargo handlers should take all the following precautions except（）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
How should you signal the crane operator to hoist（）.
What is the purpose of the equalizing beam aboard a crane vessel（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
Running an electric winch at slow speed over a long period of time causes（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
What is/are the advantage（s）of cranes over conventional cargo booms（）.
How should you signal the crane operator to lower the boom and raise the load（）.