Physics, asked by purnimapolimari5585, 1 month ago

A drawing hall measuring 30m x 15m x 5m is to be provided with illumination of 200 luxAssuming coefficient of utilization 0.5, depreciation factor 0.8, Determine the number oflamps required, their spacing, mounting height and total wattage. Luminous efficiency oflamp is 15 lumen/watt for 300 watt.dia19110F8f121111665pauseL.

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Answered by saifalam000000678

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Answer:

A drawing hall measuring 30m x 15m x 5m is to be provided with illumination of 200 luxAssuming coefficient of utilization 0.5, depreciation factor 0.8, Determine the number oflamps required, their spacing, mounting height and total wattage. Luminous efficiency oflamp is 15 lumen/watt for 300 watt.dia19110F8f121111665pauseL.

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