Engineering, 09.12.2021 16:20 flowerrr55
owns fleet of 270-hp track-type tractors (with direct-drive transmissions) and drawn scrapers (wheeled). The haul route is rutted dirt and the overburden (material hauled) is bituminous clay. Penetration of surface under wheel is estimated to be 8 inch. If the scraper weighs 45,000 lbs. (empty) and carries 30 loose cubic yards per trip, what is the rolling resistance of the loaded unit
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owns fleet of 270-hp track-type tractors (with direct-drive transmissions) and drawn scrapers (wheel...
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