10. A Drawing room with dimension 15x6x3 meter. The required illumination level is 500 Lux. The working plane is 2.2 meter bellow the lamps. Assume the utilization factor, the maintenance factor are 0.6 and 0.8 respectively. The available fluorescent luminaires are 2*24 watt of 160 lumen/watt light efficiency and 90 % power efficiency at 0.7 lagging power factor. Draw a schematic diagram for lamps distributions. Calculate the circuit current and number of lamps.
10. A Drawing room with dimension 15x6x3 meter. The required illumination level is 500 Lux. The working plane is 2.2 meter bellow the lamps. Assume the utilization factor, the maintenance factor are 0.6 and 0.8 respectively. The available fluorescent luminaires are 2*24 watt of 160 lumen/watt light efficiency and 90 % power efficiency at 0.7 lagging power factor. Draw a schematic diagram for lamps distributions. Calculate the circuit current and number of lamps.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter8: Combination Circuits
Section: Chapter Questions
Problem 4PA: The hot water for the heating system for a small factory is supplied by a single boiler. The bolier...
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