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A good refrigerant should have

A. High latent heat of vaporisation and low freezing point

B. High operating pressures and low freezing point

C. High specific volume and high latent heat of vaporisation

D. Low C.O.P. and low freezing point

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. An Electrolux refrigerator is called a __________ absorption system.
  2. A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will…
  3. The condition of refrigerant as it leaves the compressor in a vapour compression system is
  4. A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same…
  5. The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the…
  6. Which of the following refrigerant has the lowest freezing point?
  7. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced…
  8. In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
  9. Bell Coleman cycle is a
  10. In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature…
  11. The power per tonne of refrigeration is
  12. The moisture in a refrigerant is removed by
  13. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing…
  14. The COP of a vapour compression plant in comparison to vapour absorption plant is
  15. The fluids used in Electrolux refrigerator are
  16. Under cooling in a refrigeration cycle
  17. Rating of a domestic refrigerator is of the order of
  18. The lowest temperature during the cycle in a vapour compression system occurs after
  19. Cooling water is required for following equipment in ammonia absorption plant
  20. During humidification process, __________ increases.
  21. The specific humidity during dehumidification process
  22. In a refrigeration system, heat absorbed in comparison to heat rejected is
  23. Air refrigeration operates on
  24. Critical temperature is the temperature above which
  25. For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and…
  26. The formation of frost on cooling coils in a refrigerator
  27. During dehumidification process, __________ remains constant.
  28. The wet bulb temperature at 100% relative humidity is ________ dry bulb temperature.
  29. Which of the following statement is wrong?
  30. The specific humidity during heating and humidification process.