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.
Chapter3: Determining The Required Number Of Branch Circuits, Lighting Outlets, And Receptacle Outlets
Section: Chapter Questions
Problem 6R: What is the unit load per square foot for dwelling units? See Table 220.12. __________
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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.
[12 lamps]
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