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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?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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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? Select one: A. 210.58 B. 178.81 C. 193.72 D. 227.24 E. 163.12
Transcribed Image Text: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? Select one: A. 210.58 B. 178.81 C. 193.72 D. 227.24 E. 163.12
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