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In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively

A. Water and water

B. Water and lithium bromide

C. Ammonia and lithium bromide

D. Ammonia and water

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  2. The wet bulb temperature during sensible cooling of air
  3. A refrigeration system
  4. Freon group of refrigerants are
  5. Which of the following cycles uses air as the refrigerant?
  6. Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
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  8. The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
  9. During adiabatic saturation process on unsaturated air __________ remains constant.
  10. The sub-cooling in a refrigeration cycle
  11. Air refrigeration cycle is used in
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  13. Nusselt number (NN) is given by
  14. A vapour absorption refrigeration system
  15. Ammonia absorption refrigeration cycle requires
  16. The wet bulb temperature during sensible heating of air
  17. The pressure at the outlet of a refrigerant compressor is called
  18. The leakage in a refrigeration system using ammonia is detected by
  19. Absorption system normally uses the following refrigerant
  20. A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same…
  21. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression…
  22. For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference…
  23. R-12 is generally preferred over R-22 in deep freezers since
  24. In aircraft, air refrigeration Cycle is used because of
  25. In a refrigerating machine, heat rejected is _________ heat absorbed.
  26. In S.J. unit, one ton of refrigeration is equal to
  27. The relative coefficient of performance is equal to
  28. Reducing suction pressure in refrigeration cycle
  29. The minimum temperature to which water can be cooled in a cooling tower is
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