In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid
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Mechanical Engineering · all questionsRefrigeration And Air Conditioning
Refrigeration And Air Conditioning
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In a vapour compression system, the condition of refrigerant is dry saturated vapour
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In vapour compression cycle the condition off refrigerant is dry saturated vapour
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The refrigerant used in small tonnage commercial machines (hermetically sealed units) is
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The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is
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Highest pressure encountered in a refrigeration system should be
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In a vapour compression system, the condition of refrigerant before passing through the condenser is
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Which of the following cycles uses air as the refrigerant?
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The heat rejection factor (HRF) is given by
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In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is
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In a refrigerating machine, heat rejected is _________ heat absorbed.
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During sensible heating of air _________ decreases.
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During humidification process, __________ increases.
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The boiling point of ________ is 10.5°C.
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Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system
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An infinite parallel planes with emissivities e1 and e2, the interchange factor for radiation from surface 1 to surface 2 is given by
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A one tonne refrigerating machine means that
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When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be
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The unit of thermal diffusivity is
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Ammonia is
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