Thermal conductivity of air increases with rise in temperature.
Answer: A
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Free convection flow depends on
Answer: D
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The wet bulb temperature during sensible heating of air
Answer: B
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In case of solids, the heat transfer takes place according to radiation.
Answer: B
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A vapour absorption refrigerator uses __________ as a refrigerant.
Answer: D
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The use of heat exchangers is made in
Answer: D
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The minimum temperature to which water can be cooled in a cooling tower is
Answer: B
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The by-pass factor for a cooling coil
Answer: A
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Defrosting of a refrigerator may be done by stopping the compressor for a short period.
Answer: A
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The horizontal and uniformly spaced lines on a psychrometric chart indicates relative humidity
Answer: B
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