6.2 - Hoisting
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Practice Questions
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What is hoisting in the context of cranes?
💡 Hint: Think about what action cranes perform.
Define luffing.
💡 Hint: Luffing relates to the boom's tilt.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary action of cranes?
💡 Hint: Think about the main purpose of cranes.
True or False: Luffing refers to the ability of a crane to rotate.
💡 Hint: Recall the definition of luffing.
1 more question available
Challenge Problems
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A crane is rated to lift 20 tons. If it lifts a load of 25 tons, discuss what might happen.
💡 Hint: Consider the relationship between load weight and crane stability.
Calculate the safe working load of a crane if the self-weight is 10 tons, counterweight is 5 tons, and the boom weighs 3 tons.
💡 Hint: Remember to consider only the stabilizing factors minus the boom weight.
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