Architecture and Planning
GATE AR Section B1.3: Building Services and Sustainability PYQs
Build your understanding with focused practice from past exam papers.
Questions 41–50 of 83. Imported answers require independent review unless marked reviewed.
Question 20
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Coefficient of Performance (COP) for heat pump is used to calculate
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Match the acronyms in Group I with the particulars in Group II.
Group I: P LCA; Q IPCC; R Mtoe; S LEED.
Group II: 1 building certification system; 2 hydrological assessment tool; 3 climate change; 4 equivalent measure of energy expended; 5 cradle to grave.
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A rectangular hall having dimension of 8.0 m × 14.0 m × 4.0 m has total 4 windows (1.5 m × 1.0 m each) and 2 doors (1.0 m × 2.0 m each). The coefficients of absorption are given below. Considering all windows open and doors closed, the reverberation time in seconds is ______. [round off to 2 decimal places]
Description of item | Absorption coefficient |
|---|---|
Coefficient of absorption of wall, floor and ceiling | 0.2 |
Coefficient of absorption of door and window | 0.4 |
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If surface conductance of external surface is 20 W/m² °C, absorbance of the surface is 0.66 and U value of the wall is 1.2 W/m² °C, the solar gain factor of a wall is ______. [round off to 2 decimal places]
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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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Using the following values of thermal conductance, surface conductance and thermal resistance, the U value across the given wall cross-section is ______ W/m² °C. [round off to 2 decimal places]
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The decay of sound in a large room is indicated in the following figure. The spike within the dashed zone denotes
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For the same thickness of material layers, relative position of insulation in the wall sections 1 and 2 shown below will have an impact on
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The solar altitude angle on April 16 at 7:00 AM in Kochi is 16⁰. The same solar altitude angle will occur at the same time in the same year at the same location on
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