At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant

A. Decreases

B. Increases

C. Remain same

D. Depends on other factors

Related Questions

  1. For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and…
  2. In aircraft, air refrigeration Cycle is used because of
  3. During sensible heating of air _________ decreases.
  4. In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively
  5. The sub-cooling in a refrigeration cycle
  6. Cooling water is required for following equipment in ammonia absorption plant
  7. The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called
  8. The relative coefficient of performance is
  9. Which of the following statement is correct?
  10. In a vapour compression system, the condition of refrigerant is dry saturated vapour
  11. The emissivity of a polished silver body is __________ as compared to black body.
  12. The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate…
  13. Reducing suction pressure in refrigeration cycle
  14. In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s.…
  15. The leakage in a refrigeration system using ammonia is detected by
  16. Pressure of water vapour is given by
  17. For obtaining high COP, the pressure range of compressor should be
  18. In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature…
  19. In a vapour compression system, the condition of refrigerant before passing through the condenser is
  20. In vapour compression cycle the condition off refrigerant is dry saturated vapour
  21. The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature…
  22. The fluids used in Electrolux refrigerator are
  23. Which of the following statement is correct for ammonia as a refrigerant?
  24. Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
  25. In chemical dehumidification process,
  26. The air cooling system mostly used in transport type aircrafts is
  27. The temperature of air recorded by a thermometer, when it is not affected by the moisture present in…
  28. In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
  29. Short horizontal lines on pressure-enthalpy chart show
  30. The leaks in a refrigeration system using Freon are detected by

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