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
Which method should be used to warm up the pump turbines prior to discharge（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
The net productivity per gang-hour can be improved through a decrease of（）.
When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
Most pedestal crane power is provided by（）.
How should you signal the crane operator to move slowly（）.
Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.
Damage by（）shall not be considered as handling damage.
On no account（）to be exceeded.
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（）.