A machine is attached to the following loads for light in the winding shop. The light affixse (electric energy) of 250 W filament lamps (electric energy) is 14.5 Lumen / Vote. There are 300 ning fixtures attached. Now 30 lumen / wat fixes with electric energy to save, is changing the HPMV 120 Ning Fixure of 150 W. If the cost of electric energy is Rs. 2.35 / KWH and the time of use of lamps is 3500 hours during the year, find the following things. (i) Savings in electric energy consumption per year (II) Savings in electric energy cost during the year (III) If the total capital investment in changing the lamp's fixture is Rs.7, 60,000 so find ROI in percentage. (IV) Pay - back period calculate in year.

EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter27: Service-entrance Equipment
Section: Chapter Questions
Problem 33R
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A machine is attached to the following loads for light in the winding shop. The light affixse (electric energy) of 250 W filament lamps (electric energy) is 14.5 Lumen / Vote. There are 300 ning fixtures attached. Now 30 lumen / wat fixes with electric energy to save, is changing the HPMV 120 Ning Fixure of 150 W. If the cost of electric energy is Rs. 2.35 / KWH and the time of use of lamps is 3500 hours during the year, find the following things. (i) Savings in electric energy consumption per year (II) Savings in electric energy cost during the year (III) If the total capital investment in changing the lamp's fixture is Rs.7, 60,000 so find ROI in percentage. (IV) Pay - back period calculate in year.

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