3 - Productivity Estimation of the Scraper
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Practice Questions
Test your understanding with targeted questions
Define swell factor and provide an example.
💡 Hint: Remember how soil expands when disturbed.
What is the average loading time for a scraper?
💡 Hint: This value is given directly in the lecture.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the swell factor represent?
💡 Hint: Think of what happens to soil when you disturb it.
True or False: The average loading time for a scraper is longer than the average dumping time.
💡 Hint: Compare the two times directly.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If a scraper has a trimmed capacity of 30 m³ but utilizes a swell factor of 0.82 when loaded with wet soil, compute the effective load it can carry.
💡 Hint: Consider the ratio of loose to banked soil carefully.
Analyze the impact of reducing the pusher's cycle time to 1.2 minutes on the balance of scrapers. Determine the adjusted number of scrapers that could be optimized.
💡 Hint: Remember to round accordingly to whole numbers!
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