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(b) Suppose: NWηUFDFMF​= No. of lamps = Wattage of each lamp = Efficiency of each lamp (1 lm/ watt )= Utilization Factor

Posted: Thu Jul 14, 2022 2:38 pm
by answerhappygod
 1
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(b) Suppose: NWηUFDFMF​= No. of lamps = Wattage of each lamp = Efficiency of each lamp (1 lm/ watt )= Utilization Factor = Depreciation Factor = Maintenance Factor ​
By using Lumen method prove that DF is the reciprocal of MF.