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
Pedestal cranes have limit switches to restrict movement of which function(s)().
What is/are the advantage(s)of cranes over conventional cargo booms().
Which of the following statement(s)is/are TRUE regarding a twin pedestal crane set().
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().
Which operation may cause the pressure in an inert tank to fall below the prescribed limits().
Which method should be used to warm up the pump turbines prior to discharge().
What is meant by the term“l(fā)uffing the boom”of a crane().
Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ().
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().