10 free PE Civil practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
PE Civil Practice Test 13Tutor mode
Question 1 of 10
Water Resources and Environmental
A utility is choosing between two pumps for a raw-water booster station. Pump A costs $120,000 installed and has an annual energy cost of $18,000. Pump B, a premium-efficiency unit, costs $165,000 installed and has an annual energy cost of $13,500. Both have a 20-year life, no salvage value, and equal maintenance costs. The utility uses an interest rate of 5% per year, for which (P/A, 5%, 20) = 12.4622. The present-worth advantage of the alternative with the lower present worth of costs over the other alternative is most nearly: