The Freon group of refrigerants are

A. Halocarbon refrigerants

B. Zoetrope refrigerants

C. Inorganic refrigerants

D. Hydrocarbon refrigerants

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  1. The moisture in a refrigerant is removed by
  2. Presence of moisture in a refrigerant affects the working of
  3. The advantage of dry compression is that
  4. Which of the following statement is correct for ammonia as a refrigerant?
  5. In chemical dehumidification process,
  6. If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the…
  7. The refrigerant widely used in domestic refrigerators is
  8. The specific humidity during dehumidification process
  9. The temperature of air recorded by a thermometer, when it is not affected by the moisture present in…
  10. A thermostatic expansion valve in a refrigeration system
  11. The pressure at the inlet of a refrigerant compressor is called
  12. The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in…
  13. Carbon dioxide is
  14. The emissivity of a polished silver body is __________ as compared to black body.
  15. The value of C.O.P in vapour compression cycle is usually
  16. Most thermostatic expansion valves are set for a superheat of
  17. The wet bulb temperature during sensible cooling of air
  18. The capillary tube, as an expansion device, is used in
  19. The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture…
  20. Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
  21. A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same…
  22. During sensible cooling,
  23. During heating and dehumidification process, dry bulb temperature
  24. The condition of refrigerant after passing through the condenser in a vapour compression system is
  25. The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature…
  26. An important characteristic of absorption system of refrigeration is
  27. The superheating in a refrigeration cycle
  28. Dry bulb temperature is the temperature of air recorded by a thermometer, when
  29. The centrifugal compressors are generally used for refrigerants that require
  30. The process, generally used in winter air-conditioning to warm and humidity the air, is called