Consider a light fixture A "efficacy=40" to be replaced by light fixture B "efficacy-88" where there are 20 fixtures are used in a 16 m x 18 m x 3 m room with resulting illuminance of 454 Lu/m for both types, lights are used for 5400 hours per year and the grid efficiency is 35%. What is the annual amount of fuel reduction "Liters", if the power plant uses fuel with heating value = 25.56 MJ/Liters?

Consider a light fixture A "efficacy=40" to be replaced by light fixture B "efficacy-88" where there are 20 fixtures are used in a 16 m x 18 m x 3 m room with resulting illuminance of 454 Lu/m for both types, lights are used for 5400 hours per year and the grid efficiency is 35%. What is the annual amount of fuel reduction "Liters", if the power plant uses fuel with heating value = 25.56 MJ/Liters?

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.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.19P

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