A factory space of 33 m x 13 m is to be illuminated with an average illumination of 72 lux by 200-W lamps. The coefficient of utilization is 0.4 and the depreciation factor is 1.4. Calculate the number of lamps required. The lumen output of a 200-W lamp is 2,730 lm.
A factory space of 33 m x 13 m is to be illuminated with an average illumination of 72 lux by 200-W lamps. The coefficient of utilization is 0.4 and the depreciation factor is 1.4. Calculate the number of lamps required. The lumen output of a 200-W lamp is 2,730 lm.
Chapter19: Special-purpose Outlets-water Pump, Water Heater
Section19.2: Water Heater Branch Circuit
Problem 9R: An 80-gallon electric water heater has 60F (15.56C) incoming water. How many minutes can a...
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A factory space of 33 m x 13 m is to be illuminated with an average illumination of 72 lux by 200-W lamps. The coefficient of utilization is 0.4 and the depreciation factor is 1.4. Calculate the number of lamps required. The lumen output of a 200-W lamp is 2,730 lm.
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