Engineering, 25.02.2020 19:55 amandasantiago2001

A 30-mile gravel road requires reshaping and leveling. Estimate the number of hours a grader will be required to complete the project under the following conditions: Two passes at 3 mph Three passes at 4 mph Two passes at 5.5 mph Job efficiency factor: 0.80

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A 30-mile gravel road requires reshaping and leveling. Estimate the number of hours a grader will be...