Question 10: A water heater is supplied with cold water (T-30-F) and delivers hot water at a thermostat setting at T₂=130 F. Assume the heat lost to the surrounding is 400 Btu/hr. What is the heating rate to supply water at a rate of 10 gallons/hour? Assume the heat storage 4H, = 0. [1 gallon of water = 8.3 lb-m, 1 kWh =3413 Btu, Specific heat capacity of water C₂ = 1 Bulb-F]

Question 10: A water heater is supplied with cold water (T-30-F) and delivers hot water at a thermostat setting at T₂=130 F. Assume the heat lost to the surrounding is 400 Btu/hr. What is the heating rate to supply water at a rate of 10 gallons/hour? Assume the heat storage 4H, = 0. [1 gallon of water = 8.3 lb-m, 1 kWh =3413 Btu, Specific heat capacity of water C₂ = 1 Bulb-F]

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter41: Troubleshooting

Section: Chapter Questions

Problem 8RQ: When the outside ambient air temperature is 90F, the temperature of the condensing refrigerant in a...

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