Answered: The hall in manufacturing plant is 20m…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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The hall in manufacturing plant is 20m x 20m x 10m high. The mounting height is 5m and the required level of illumination is 163 lm/m2. Estimate the size and number of single lamp luminaires and also draw their spacing layout.

Utilization coefficient = 0.7;

maintenance factor = 0.75;

space/height ratio=1

lumens/watt for 300-W lamp = 13 lumens/watt for 500-W lamp = 16

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