Fouling factor is used
Answer: A
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The transfer of heat from one body to another takes place only when there is a temperature difference between the bodies.
Answer: A
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Thermal diffusivity of a substance is
Answer: D
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In a heat exchanger with one fluid evaporating or condensing, the surface area required is least in
Answer: D
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The operating pressure for refrigerating units using R-12 as a refrigerant is
Answer: B
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The wave length corresponding to the maximum energy is inversely proportional to the absolute temperature. This statement is called Planck's law.
Answer: B
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Sulphur dioxide is extremely toxic and non-flammable.
Answer: A
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In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be
Answer: B
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The amount of radiation mainly depends upon the
Answer: D
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The specific humidity during dehumidification process
Answer: C
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