An area can be irrigated by pumping water from a nearby river. Two competing installations are being
Question:
The MARR is 12% per year and electric power for the pumps costs $0.06 per kWh. Recall that 1 horsepower (hp) equals 0.746 kilowatts.
a. At what level of operation (hours per year) would you be indifferent between the two pumping systems? If the pumping system is expected to operate 2,000 hours per year, which system should be recommended?
b. Perform a sensitivity analysis on the efficiency of Pump A. Over what range of pumping efficiency is Pump A preferred to Pump B? Assume 2,000 hours of operation per year, and draw a graph to illustrate your answer.
Minimum Acceptable Rate of Return (MARR), or hurdle rate is the minimum rate of return on a project a manager or company is willing to accept before starting a project, given its risk and the opportunity cost of forgoing other...
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a Let X operating hours per year EUAC A 12 2410AP 12 8 80AF 12 8 ...View the full answer
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Related Book For 
Engineering Economy
ISBN: 978-0133439274
16th edition
Authors: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
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