6.2 - Ringer Base and Stability
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Practice Questions
Test your understanding with targeted questions
Define 'operating radius' in crane operation.
💡 Hint: Think about where the load is in relation to the crane.
What is the primary function of outriggers?
💡 Hint: Consider their location and how they support the crane.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the operating radius in crane operations?
💡 Hint: Recall what measures the stability of the crane.
True or False: The ringer base helps prevent tipping backward in cranes.
💡 Hint: Consider the design purpose of a ringer base.
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Challenge Problems
Push your limits with advanced challenges
A crane has a weight of 6000 kg and a counterweight of 3000 kg at a distance of 5 m from the load line. How do you determine if the crane is stable while lifting a load of 4000 kg?
💡 Hint: Remember the moment equilibrium principles.
Evaluate the impact on lifting capacity and stability if a truck-mounted crane, without proper leveling, is placed on a sloped terrain.
💡 Hint: Analyze how uneven ground alters crane's center of gravity.
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