8.2 - Economical Situations for Use
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Practice Questions
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What is the basic lifting mechanism used in cranes?
💡 Hint: Think of the parts that allow heavy loads to be lifted.
Name one motion that a crane can perform.
💡 Hint: Consider the opposite action of lifting.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What principle do cranes primarily operate on?
💡 Hint: Consider what keeps the crane stable.
True or False: A mobile crane is typically used for long-term heavy lifting tasks.
💡 Hint: Think about the context of the project's duration.
2 more questions available
Challenge Problems
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You are tasked with selecting a crane for a construction project that requires heavy materials over uneven terrain. Discuss your decision-making process considering economic implications.
💡 Hint: Think about the stability versus cost trade-off.
Calculate the balance between load leverage and crane leverage in a hypothetical scenario where a crane lifts a 5-ton load at 15 meters from the fulcrum. Assume the crane's weight contributes to its leverage.
💡 Hint: Focus on weight distribution and the effect of distance on balance.
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