7.1 - Summary of Crane Types
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Practice Questions
Test your understanding with targeted questions
What does the operating radius refer to in crane operation?
💡 Hint: Think about how far the crane can reach.
Why are outriggers necessary for a truck-mounted crane?
💡 Hint: Consider what happens when the crane lifts heavy loads.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the Safe Working Load (SWL) of a crane?
💡 Hint: Consider the crane's design and manufacturer's guidelines.
True or False: Increasing the operating radius increases lifting capacity.
💡 Hint: Recall the relationship between radius and stability.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A truck-mounted crane is rated for a maximum capacity of 100 tons on flat ground with outriggers extended. If deployed without outriggers, what should be the new maximum capacity?
💡 Hint: Think of the impact of outriggers on stability.
A crawler crane has a maximum capacity of 150 tons at a radius of 20m. If the operating radius increases to 40m, what should be done to ensure safety while lifting?
💡 Hint: Recall the effects of a shifting center of gravity.
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