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3 cards from this section. Quick, good the night before a test.
Define swell factor and provide an example.
Remember how soil expands when disturbed.
What is the average loading time for a scraper?
This value is given directly in the lecture.
What does the swell factor represent?
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.
Compare the two times directly.
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.
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.
Remember to round accordingly to whole numbers!
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