Architecture and Planning
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE AR 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 58–60 of 65. Imported answers require review unless explicitly marked reviewed.
Question 48
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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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A building is constructed on a plot measuring 70 m × 40 m. The utilized FAR of the building is 1.5. An energy audit found that the average monthly electricity bill of the building is INR 2,94,000. The unit cost of the electricity is INR 7. The Building Energy Index is ______ kW-hr/m²/year. [in integer]
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A simply-supported steel beam made of an I-section has a span of 8 m. The beam is carrying a uniformly distributed load of 15 kN/m. The overall depth of the beam is 450 mm. The moment of inertia of the beam section is 1800 cm⁴. The maximum bending stress in the beam will be ______ N/mm². [in integer]
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