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3 cards from this section. Quick, good the night before a test.
What is rolling resistance?
Think about what affects a vehicle’s movement.
What is the gradient equivalent of 50 kg per ton?
Recall that 1% is equal to 10 kg per ton.
What does rolling resistance primarily affect?
Think about the challenges faced when moving heavy loads.
True or False: The swell factor is a measure of how much material expands when excavated.
Consider how material density changes with moisture levels.
Analyze a scenario where the rolling resistance increases to 60 kg per ton. How does this change the gradient and affect scraper efficiencies?
Consider how much more energy will be needed now.
If a different material has a swell factor of 1.0 instead of the usual 0.8, how would this affect our weight calculations?
Think about how the volume change impacts the scraper’s limits.
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