Architecture and Planning
GATE AR exam:gate PYQs
Build your understanding with focused practice from past exam papers.
Questions 591–600 of 730. Imported answers require independent review unless marked reviewed.
Question 46
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The internal dimension of a room is 10m × 10m × 4m (height). The total area of the doors and windows are 16 m². Keeping the doors and windows closed, the reverberation time of the room becomes 1.2 second. Assume all the interior surfaces including doors and windows have same sound absorption coefficient. If all the doors and windows of the room are kept fully open, the reverberation time will be ________ second (rounded off to two decimal places).
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A depressed portion of a land is identified by three closed contours, as shown in the figure below. The area bounded by three contour lines are 6 m², 24 m² and 96 m² respectively.
The contour interval is 1 m. Using prismoidal method, the volume of the earth needed to fill the land depression is ________ m³.
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Solar panels are proposed to be installed on a building roof top to generate electricity. The size of each solar panel is 2 m². The efficiency of each panel is 75%. The orientations of the solar panel and related solar data are given in the table below.
Orientation | No. of Panel | Average daily solar radiation in W/m² | Average solar hours per day
South | 10 | 400 | 4
West | 5 | 300 | 2
As per the above proposal ________ kWh solar power will be generated daily. (rounded off to one decimal place)
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A power shovel is having 1.8 m³ excavation output per batch of operation. The average cycle time of the batch operation is 45 seconds. The lost time per hour of the excavation activity is 10 minutes. Assume six working hours of operation per day. The amount of soil excavated by the power shovel per day is ________ m³ (rounded off to two decimal places).
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A room having dimension 12 m × 10 m × 3.5 m is required to be mechanically ventilated by air-conditioner. The temperature difference between outdoor ambient air and the supply air is 12 °C. Consider three air exchanges per hour. The volumetric specific heat of the air is 1250 J/m³ °C. Assume one ton of refrigeration (TR) is equal to 3.5 kW. The capacity of the air-conditioner for the room in TR will be ________.
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A simple supported beam AB has a clear span of 7 meter. The bending moment diagram (BMD) of the beam due to a single concentrated load is shown in the figure below.
The magnitude of the concentrated load in kN is ________.
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For a symmetrical trapezoidal open drain in a landscape with grass and loose rock surface, the velocity of flow of water is ______ m/sec, (rounded off to two decimal places), given the following data.
Water edge width at the top = 750 mm
Water edge width at the bottom = 450 mm
Water depth = 600 mm
Manning’s coefficient of roughness = 0.05
Slope along the drain = 1 in 250
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The stack pressure is created by 10 m height of stack and 15°C temperature difference. The motive force due to the stack pressure over a cross section area of 2.5 m² is ______ N.
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An industrial building contains 3000 kg of combustible materials, in dry state, distributed over three rooms of area 100 m², 500 m² and 300 m² each, in a proportion of 30%, 50% and 20% of the contents, respectively. Calorific value of the material is 4400 kCal/kg. The Total Fire Load of the rooms is equal to ______ kCal/m².
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A simple truss is shown in the figure below. The truss is loaded with horizontal and vertical force 15 kN and 25 kN, respectively. The force in the member AB will be ________ kN.
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