Problem:
An off highway truck weights 70,000 lb empty and 150,000 lb when loaded. The weight distribution empty is 50% front and 50% rear. The weight distribution loaded is 33% front and 67% rear. The truck has two frond tires and four reatyres. The truck works an 8-hr shift hauling rock to crusher plant. The one way haul distance is 5.5 miles. The truck makes 14 trips per day.
Required:
Question: Calculate job TMPH for truck.
Note: Explain in detail.