CM 2113 WANG Exam with Frequently Asked Questions and Verified Answers

CM 2113 WANG Exam with Frequently Asked Questions and Verified Answers A scraper is most efficient in medium-haul applications primarily because it balances cycle time and haul distance effectively. Which haul range best describes a medium-haul scraper operation? A. 0–500 ft B. 500–3,000 ft C. 3,000–10,000 ft D. Above 10,000 ft Correct Answer: B Rationale: Medium-haul scraper operations typically range from about 500 to 3,000 ft, where scrapers achieve optimal balance between loading, hauling, and dumping cycles without excessive travel time. What best describes ownership costs in construction equipment economics? A Costs that increase only with machine usage B Fixed costs incurred whether the equipment is used or idle C Costs related only to repairs and fuel D Costs that depend on hourly production rate Correct Answer B Fixed costs incurred whether the equipment is used or idle Rationale Ownership costs are time-related and must be paid regardless of equipment utilization. In production cost modeling, unit cost of production is best defined as: A Total ownership cost divided by machine age B Total cost divided by total units of output produced C Operating cost minus depreciation D Fuel cost per hour of operation Correct Answer B Total cost divided by total units of output produced Rationale Unit production cost expresses the cost efficiency of equipment by spreading total cost over output quantity.