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The refrigerant for a refrigerator should have

A. High sensible heat

B. High total heat

C. High latent heat

D. Low latent heat

Correct Answer : C.


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  1. One tonne of refrigeration (1TR) means that the heat removing capacity is
  2. One ton of the refrigeration is
  3. Short horizontal lines on pressure-enthalpy chart show
  4. The evaporator used in household refrigerators is
  5. The reduced ambient air cooling system has
  6. The leaks in a refrigeration system using Freon are detected by
  7. The power per tonne of refrigeration is
  8. A standard ice point temperature corresponds to the temperature of
  9. The thermostatic expansion valve is used in __________ type of evaporators.
  10. The superheating in a refrigeration cycle
  11. Most of the domestic refrigerators work on the following refrigeration system
  12. The vertical and uniformly spaced lines on a psychrometric chart indicates
  13. Formation of frost on evaporator in refrigerator
  14. In S.J. unit, one ton of refrigeration is equal to
  15. The conditioned air supplied to the room must have the capacity to take up
  16. In a vapour compression cycle, the refrigerant immediately after expansion valve is
  17. Moisture in Freon refrigeration system causes
  18. Vapour compression refrigeration is somewhat like
  19. The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is
  20. The pressure at the outlet of a refrigerant compressor is called
  21. In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature…
  22. In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
  23. The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by
  24. Which of the following statement is wrong?
  25. During a refrigeration cycle, heat is rejected by the refrigerant in a
  26. A vapour absorption refrigeration system
  27. Air refrigeration cycle is used in
  28. The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate…
  29. The wet bulb temperature during sensible heating of air
  30. Ammonia is