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2 cards from this section. Quick, good the night before a test.
Define the swell factor and its importance in scraper operations.
Think about how volume changes when material is disturbed.
What is cycle time?
Consider all the stages of the operation.
What is the swell factor?
Think about how soil changes when disturbed.
True or False: Rolling resistance is the same in all haul route conditions.
Consider different surfaces and their effects.
Consider a scenario where the rolling resistance on a new haul path increases to 80 kg per ton. How would this change the effective speed and productivity of a scraper?
Reflect on how resistance affects motion in machines.
A scraper operating with a swell factor of 1.2 is loading a material with a unit weight of 1700 kg/m³. Calculate the volume in bank cubic meters.
Use the definition of swell factor properly.
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