GATE AR · 2021 · AR
Question 48: architecture
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Question 48
ARNAT2 marksNeeds review
A circular cricket field of 180 m diameter is illuminated by four floodlight towers. The floodlight towers are equally spaced along the perimeter of the field. The height of the floodlight tower is 48 m. Using ‘Inverse Square Law’, the illumination level at the center of the field is found as 750 Lux. Each tower is consisting of 50 lamps. The rating of each lamp is 700 Watt. The efficacy of each lamp is ______ Lumen/Watt. [round off to 2 decimal places]
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2021AR
GATE AR 2021 · Paper 1
Architecture and Planning · Original paper archive
- Section
- Architecture and Planning
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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