3 - Rimpull and Performance Analysis
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Practice Questions
Test your understanding with targeted questions
What is rimpull?
💡 Hint: Think of it as the pulling strength of the machine.
How is the productivity of a scraper calculated?
💡 Hint: Remember the formula includes the number of scrapers and their efficiencies.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the productivity rate achieved with five scrapers?
💡 Hint: Review the production calculations from the section.
Is rimpull essential for the performance of a scraper?
💡 Hint: Think about the forces involved in scraper operation.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the maximum usable rimpull for a scraper with a gross weight of 80,000 kg and a coefficient of traction of 0.6. Assume 50% weight on powered wheels.
💡 Hint: Be sure to calculate the weight on the drive wheels before determining usable rimpull.
If a scraper can produce 700 bank cubic meters/hour and the cost per unit is ₹50, what would be the total cost of moving 1,400 bank cubic meters?
💡 Hint: Think about how to correlate total volume with cost.
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