A.breaking a cargo runner
B.parting guys topping lifts
C.carrying away a block
D.overheating the resistors and eventually burning out
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A.the speed to be retarded by the friction brake
B.a load to go downward at full speed
C.the circuit breaker to turn off
D.the resistors to overheat and eventually burn out
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
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
最新試題
What is meant by the term“l(fā)uffing the boom”of a crane（）．
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
How should you signal the crane operator to lower the boom and raise the load（）.
What does “evel-luffing” accomplish during crane operations（）.
How should you signal the crane operator to move slowly（）.
When discharging an oil cargo，the first consideration is to（）.
How should you signal the crane operator to hoist（）.
The net productivity per gang-hour can be improved through a decrease of（）.
Pedestal cranes have limit switches to restrict movement of which function（s）（）.