You are considering two heaters in your house which must provide 10kW of heating. You expect to run it for 100 days per year, 16 hours per day. The first heater is gas and has an effiency of 40% but gas costs .01 cents per kWhr (kilowatt - hour) The electric heater is 82% efficient but the cost of electricity is .03 cents per kWhr Which is the cheaper option?
You are considering two heaters in your house which must provide 10kW of heating. You expect to run it for 100 days per year, 16 hours per day. The first heater is gas and has an effiency of 40% but gas costs .01 cents per kWhr (kilowatt - hour) The electric heater is 82% efficient but the cost of electricity is .03 cents per kWhr Which is the cheaper option?
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter8: Natural Convection
Section: Chapter Questions
Problem 8.12P:
8.12 An electric room heater has been designed in the shape of a vertical cylinder 2 m tall and 30...
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You are considering two heaters in your house which must provide 10kW of heating. You expect to run it for 100 days per year, 16 hours per day.
The first heater is gas and has an effiency of 40% but gas costs .01 cents per kWhr (kilowatt - hour)
The electric heater is 82% efficient but the cost of electricity is .03 cents per kWhr
Which is the cheaper option?
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