3.3 - Using Load Charts for Lifting Capacity
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Practice Questions
Test your understanding with targeted questions
What is the purpose of outriggers in crane operation?
💡 Hint: What do outriggers do?
What should you do if the soil condition is weak?
💡 Hint: What can you use to provide support?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the minimum safe distance to keep from high voltage lines according to OSHA?
💡 Hint: Think about safety distances mentioned.
True or False: Wind speeds greater than 72 kilometers per hour require operators to continue crane operations.
💡 Hint: Recall what should be done in high winds.
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Challenge Problems
Push your limits with advanced challenges
A crane needs to lift a load from a level 5 meters tall and reach a height of 50 meters. Using a range diagram, how do you calculate the required boom length if the load is 15 meters horizontally away?
💡 Hint: Look for the intersection on the diagram, remembering to consider the full height.
Determine the maximum lifting capacity of a crane with a 24,500 kg capacity at a 25m radius when the hook and sling weigh 1,800 kg.
💡 Hint: Calculate the net load by subtracting the weight of the rigging from the total capacity.
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