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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define swell factor and provide an example.
💡 Hint: Remember how soil expands when disturbed.
Question 2
Easy
What is the average loading time for a scraper?
💡 Hint: This value is given directly in the lecture.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the swell factor represent?
- Weight of soil
- Volume change of soil
- Speed of the scraper
💡 Hint: Think of what happens to soil when you disturb it.
Question 2
True or False: The average loading time for a scraper is longer than the average dumping time.
- True
- False
💡 Hint: Compare the two times directly.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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!
Challenge and get performance evaluation