a laboratory space 30m by 15m is to be illuminated by twin fluorescent luminaries of 5600 lumen. if the lamps are mounted at the required level above a work plane requiring 240lux. given the maintenance factor of utilization as 0.8 and 0.6 respectively.
(i) determine the number of lamps required for better illumination of the laboratory.
(ii) produce a layout to show the best arrangement of the lamps in the laboratory.?
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Asked by micheal on 10th December, 2021
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