For any given pedestal crane,when the boom is lengthened, the lifing capacity is().
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to().
0n a crane ,the boom indicator tells the operator what angle the boom angle is compared to the().
How should you signal the crane operator to stop?().
The crane is usually mounted on a pedestal to offer adequate () to the operator.
Which action(s)should the operator of a pedestal crane take if crane control is lost ().
When a cargo boom or crane is rated at varying capacities,there will be a table at the controls which relates safe working load to().
What is meant by the term“luffing the boom”of a crane().
The boom stops on a pedestal crane prevent the boom from().
On a ship’s crane,the load chart relates the allowable load to the combination of the boom length and().