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In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in

A. Condenser

B. Evaporator

C. Absorber

D. None of these

Correct Answer : A.


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  1. The temperature of ammonia after compression in a vapour compression system is
  2. The optimum effective temperature for human comfort is
  3. In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively
  4. The wet bulb depression is zero when relative humidity is
  5. The C.O.P. of a heat pump working on a reversed Carnot cycle is
  6. One ton of the refrigeration is
  7. Chaperon equation is a relation between
  8. In a vapour compression cycle, the refrigerant immediately after expansion valve is
  9. The sub-cooling in a refrigeration cycle
  10. The lowest thermal diffusivity is of
  11. The moisture in a refrigerant is removed by
  12. A thermostatic expansion valve in a refrigeration system
  13. For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet…
  14. The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the…
  15. In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity…
  16. In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at
  17. The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature…
  18. In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as…
  19. The bank of tubes at the back of domestic refrigerator is
  20. The relative coefficient of performance is
  21. Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
  22. A bootstrap air cooling system has
  23. The relative humidity lines on a psychrometric chart are
  24. For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is
  25. For unsaturated air, the dew point temperature is __________ wet bulb temperature.
  26. The desirable property of a refrigerant is
  27. Allowable pressure on high pressure side or ammonia absorption system is of the order of
  28. In a bootstrap air evaporative cooling system, the evaporator is provided
  29. Ammonia is
  30. The refrigerant widely used in domestic refrigerators is