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The process of under-cooling is generally brought about by

A. Circulating more quantity of cooling water through the condenser

B. Using water colder than the main circulating water

C. Employing a heat exchanger

D. Any one of the above

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  1. The COP of a vapour compression plant in comparison to vapour absorption plant is
  2. The bypass factor of a cooling coil decreases with
  3. One of the purposes of sub cooling the liquid refrigerant is to
  4. In vapour compression cycle the condition of refrigerant is superheated vapour
  5. Which of the following refrigerant is highly toxic and flammable?
  6. The mass of water vapour present in __________ is called absolute humidity.
  7. Chaperon equation is applicable for registration at
  8. The thermostatic expansion valve is also called
  9. The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture…
  10. The condition of refrigerant as it leaves the compressor in a vapour compression system is
  11. The boiling point of carbon dioxide is
  12. A vapour absorption refrigeration system
  13. The humidity ratio or specific humidity is the mass of water vapour present in
  14. Dry bulb temperature is the temperature of air recorded by a thermometer, when
  15. The evaporator changes the low pressure liquid refrigerant from the expansion valve into
  16. During cooling and dehumidification, dry bulb temperature
  17. Which of the following refrigerant has the highest freezing point.
  18. The wet bulb temperature during sensible cooling of air
  19. Allowable pressure on high pressure side or ammonia absorption system is of the order of
  20. The index which correlates the combined effects of air temperature, relative humidity and air velocity…
  21. In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as…
  22. The specific humidity during cooling and dehumidification
  23. The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in…
  24. Bell Coleman cycle is a
  25. Which of the following refrigerant has the lowest freezing point?
  26. The domestic refrigerator uses following type of compressor
  27. During sensible cooling,
  28. The refrigerant supplied to a compressor must be
  29. Most of the domestic refrigerators work on the following refrigeration system
  30. Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the…