Architecture and Planning
2017 · Paper 1
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Complete GATE AR 2017 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 52–54 of 65. Imported answers require review unless explicitly marked reviewed.
Question 52
Open questionARNAT2 marksNeeds review
A drainage basin of 180 hectares comprises 40% wooded area, 45% grassed area and 15% paved area. Runoff coefficients for wooded, grassed and paved areas are 0.01, 0.2 and 0.95 respectively. The composite runoff coefficient for the drainage basin is ____________.
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A fluorescent light source consumes 40 W electric power and has a luminous efficacy of 40 lm/W. Illumination in lux at a distance of 3 m from this light source is ____________.
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Open questionARNAT2 marksNeeds review
A room measures 3 m (width) × 4 m (length) × 3 m (height). The outdoor temperature is 36 °C. The volumetric specific heat of air is 1300 J/cu.m.°C. The ventilation heat flow rate in Watts required to attain an internal room temperature of 26 °C with 3 air changes per hour is ____________.
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