A.Cranes/derricks
B.Crane/derrick cycles
C.Crane/derrick cycle time
D.Weight per package
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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
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
最新試題
Sudden starts or stops of the boom is likely to cause all of the following except（）.
When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
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 Master or person in charge of a ship shall ensure the crane record book shows the（）.
How should you signal the crane operator to lower the boom and raise the load（）.
When discharging an oil cargo，the first consideration is to（）.
What does “evel-luffing” accomplish during crane operations（）.
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.
When viewed from above，the best position for the guy in relation to the boom is（）.