3.5 - Required Rimpull Calculation
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Practice Questions
Test your understanding with targeted questions
What does rimpull refer to?
💡 Hint: Think about the wheeled machines and their power.
What is the coefficient of traction?
💡 Hint: Consider how well a machine can grip the ground.
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Interactive Quizzes
Quick quizzes to reinforce your learning
The maximum usable rimpull depends on which of the following factors?
💡 Hint: Think about what allows a machine to provide effective pulling force.
True or False: The more scrapers used in a project will always improve productivity.
💡 Hint: Consider the dynamics between scrapers and pushers in operations.
1 more question available
Challenge Problems
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A project manager considers using different numbers of scrapers ranging from 4 to 7 with pushers always at one. Calculate expected productivity for each case and determine the best choice.
💡 Hint: Make sure to factor in efficiency and each specific scraper's cycle time.
A scraper operates at various altitudes. Calculate the adjusted rimpull if it starts at sea level and rises to 1200 meters.
💡 Hint: Work through the altitude increments methodically, keeping track of performance drops.
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