It is required to provide an illumination of 100 lux in a workshop hall 40 m x 10 m and efficiency of lamp is 14 lm/W for 750 W lamp. Calculate the number and rating of lamps when trusses are provided at mutual distance of 5 m. Take coefficient of utilization as 0.4 and maintenance factor as 0.8.

It is required to provide an illumination of 100 lux in a workshop hall 40 m x 10 m and efficiency of lamp is 14 lm/W for 750 W lamp. Calculate the number and rating of lamps when trusses are provided at mutual distance of 5 m. Take coefficient of utilization as 0.4 and maintenance factor as 0.8.

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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Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.

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