Question: A wheel-tractor scraper is operating on a level grade. Assume no power derating is required for equipment condition, altitude, temperature, and son on. Use the

A wheel-tractor scraper is operating on a level grade. Assume no power derating is required for equipment condition, altitude, temperature, and son on. Use the scraper specifications in Table 8.1 and the performance charts in Figures 8.8 and 8.9. (a) Disregarding traction limitations, what is the maximum value of rolling resistance (in pounds per ton) over which the empty scraper can maintain a speed of 20 mph? 0 250 16/ton 150 lb/ton 50 lb/ton 350 lb/ton A wheel-tractor scraper is operating on a level grade. Assume no power derating is required for equipment condition, altitude, temperature, and son on. Use the scraper specifications in Table 8.1 and the performance charts in Figures 8.8 and 8.9. (a) Disregarding traction limitations, what is the maximum value of rolling resistance (in pounds per ton) over which the empty scraper can maintain a speed of 20 mph? 0 250 16/ton 150 lb/ton 50 lb/ton 350 lb/ton

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