A.Date and description of each failure
B.Average load in pounds for each usage
C.Total number of lifts for each usage
D.All of the above
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A.less jerky starts
B.less jerky stops
C.overheating worries
D.none of the overheating worries
A.breaking a cargo runner
B.parting guys topping lifts
C.carrying away a block
D.overheating the resistors and eventually burning out
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
最新試題
How should you signal the crane operator to move slowly（）.
What does “evel-luffing” accomplish during crane operations（）.
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
Running an electric winch at slow speed over a long period of time causes（）.
They（）loading at 1400 hours．
What is meant by the term“l(fā)uffing the boom”of a crane（）．
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
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）（）.