The humidification process, on the psychrometric chart is shown by

A. Horizontal line

B. Vertical line

C. Inclined line

D. Curved line

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  1. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water…
  2. The COP of a domestic refrigerator
  3. The thermostatic expansion valve operates on the changes in the
  4. In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at
  5. The condensing pressure due to the presence of non-condensable gases, as compared to that actually required…
  6. Vertical lines on pressure-enthalpy chart show constant
  7. In S.J. unit, one ton of refrigeration is equal to
  8. Which of the following refrigerant has the highest freezing point.
  9. The sub-cooling in a refrigeration cycle
  10. The air cooling system mostly used in transport type aircrafts is
  11. A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes…
  12. The process, generally used in winter air-conditioning to warm and humidity the air, is called
  13. The advantage of dry compression is that
  14. Absorption system normally uses the following refrigerant
  15. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device
  16. The lowest temperature during the cycle in a vapour compression system occurs after
  17. Ammonia absorption refrigeration cycle requires
  18. The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature…
  19. In mechanical refrigeration system, the refrigerant has the maximum temperature
  20. The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature…
  21. A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature…
  22. The value of C.O.P in vapour compression cycle is usually
  23. The refrigerant widely used in domestic refrigerators is
  24. The wet bulb temperature during sensible heating of air
  25. The Freon group of refrigerants are
  26. In vapour compression cycle the condition of refrigerant is superheated vapour
  27. In a vapour compression system, the condition of refrigerant before passing through the condenser is
  28. The wet bulb temperature during sensible cooling of air
  29. Reducing suction pressure in refrigeration cycle
  30. Refrigeration in aeroplanes usually employs the following refrigerant