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2 cards from this section. Quick, good the night before a test.
What does 'u' represent in crane stability calculations?
Think of the pivot point around which the crane may rotate.
Define 'Operating Radius'.
It's how far the load can be from the center of the crane.
What is the center of gravity in cranes?
Consider where the weight is evenly distributed.
True or False: Outriggers are only necessary for crawler-mounted cranes.
Think of how cranes balance loads.
A crane with a load of 10 tons is positioned 15 meters from the tipping axis. Calculate the overturning moment if the height of the load is 5 meters.
Use the formula: Moment = Force × Distance.
Analyze the scenario where a truck-mounted crane fails to use outriggers while lifting. Discuss the potential risks and recommend safety measures.
Consider both the mechanical and human factors involved in crane operation.
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