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3 cards from this section. Quick, good the night before a test.
What are the basic components of a crane's lifting mechanism?
Think about the parts that make lifting possible.
Name one type of motion that a crane can perform.
Consider the action of lifting a load.
What is the primary function of a crane's winch?
Think about what a crane does at construction sites.
True or False: The operating radius increases when the angle of the boom is decreased.
Visualize the crane and how angles change its reach.
A crane has a weight of 10,000 kg, with counterweights of 5,000 kg and lifts a load of 8,000 kg at an operating radius of 12 m. Calculate the stability of the crane based on the overturning and stabilizing moments.
Use the formula: Load Moment (overturning) vs. Weight Moment (stabilizing).
If a lattice boom crane can load 1,200 kg but weighs 600 kg, what will be the operational limits for using this crane at greater distances from its base?
As the radius increases, consider how weight distribution affects tipping.
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