c) A drawing with an area of 98 X 22 m is to be illuminated with an average illumination of about 150 lux. The lamps are to be fitted at 6 m height. i) Find out the number and size (in Watt) of incandescent lamps required for an efficiency of 20 lumens/W. utilization factor (UF) = 0.6 and Maintenance factor (MF) = 0.75. ii) Design the fitting layout by referring result from Q2(c) (i).
c) A drawing with an area of 98 X 22 m is to be illuminated with an average illumination of about 150 lux. The lamps are to be fitted at 6 m height. i) Find out the number and size (in Watt) of incandescent lamps required for an efficiency of 20 lumens/W. utilization factor (UF) = 0.6 and Maintenance factor (MF) = 0.75. ii) Design the fitting layout by referring result from Q2(c) (i).
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.7MCQ: Consider Figure 3.5. Match the following, those on the left to those on the right. (i) Im (a)...
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![c) A drawing with an area of 98 X 22 m is to be illuminated with an average
illumination of about 150 lux. The lamps are to be fitted at 6 m height.
i) Find out the number and size (in Watt) of incandescent lamps required for an
efficiency of 20 lumens/W. utilization factor (UF) = 0.6 and Maintenance factor
(MF) = 0.75.
ii) Design the fitting layout by referring result from Q2(c) (i).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4432bc32-ea28-4934-8dc4-c43abbac2227%2F5d86bf19-65f8-4d49-b4f7-852844040f08%2F1petg8l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:c) A drawing with an area of 98 X 22 m is to be illuminated with an average
illumination of about 150 lux. The lamps are to be fitted at 6 m height.
i) Find out the number and size (in Watt) of incandescent lamps required for an
efficiency of 20 lumens/W. utilization factor (UF) = 0.6 and Maintenance factor
(MF) = 0.75.
ii) Design the fitting layout by referring result from Q2(c) (i).
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