Question: A 150-hp compressor in an industrial facility is housed inside the production area where the average temperature during operating hours is 25C. The average temperature

A 150-hp compressor in an industrial facility is housed inside the production area where the average temperature during operating hours is 25°C. The average temperature outdoors during the same hours is 10°C. The compressor operates 4500 h/yr at 85 percent of rated load and is driven by an electric motor that has an efficiency of 90 percent. Taking the price of electricity to be $0.07/kWh, determine the amount of energy and money saved as a result of drawing outside air to the compressor instead of using the inside air.

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