Mechanical Engineering :: Heat Transfer,Refrigeration and Air Conditioning
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The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
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The transfer of heat by molecular collision is smallest in
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During dehumidification process, the relative humidity
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The space between the two walls of a thermos flask is evacuated because vacuum is a __________ conductor of heat.
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The ratio of actual heat transfer to the maximum possible heat transfer is known as heat exchanger effectiveness.
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When the discharge pressure is too high in a refrigeration system, high pressure control is installed to stop the compressor.
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A grey body is one whose absorptivity does not vary with temperature and wave length of the incident ray.
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The wet bulb temperature during sensible cooling of air
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Hydrogen is used in electrolux refrigeration system so as to __________ the rate of evaporation of the liquid ammonia passing through the evaporator.
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