In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by

A. Liquid pump

B. Generator

C. Absorber and generator

D. Absorber, generator and liquid pump

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

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  1. The centrifugal compressors are generally used for refrigerants that require
  2. A vapour absorption refrigerator uses __________ as a refrigerant.
  3. In vapour compression cycle, the condition of refrigerant is very wet vapour
  4. During heating and dehumidification process, dry bulb temperature
  5. The central air conditioning system has ________ overall efficiency as compared to individual systems.
  6. The COP of a vapour compression plant in comparison to vapour absorption plant is
  7. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing…
  8. The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C.…
  9. Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
  10. Superheating in a refrigeration cycle
  11. Ammonia is
  12. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression…
  13. The coefficient of performance of Heat Pump is always __________ one.
  14. The refrigerant for a refrigerator should have
  15. The boiling point of ammonia is
  16. The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate…
  17. The heat rejection factor (HRF) is given by
  18. The dry bulb temperature lines, on the psychrometric chart are
  19. For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is
  20. The undesirable property of a refrigerant is
  21. One ton of the refrigeration is
  22. The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature…
  23. The domestic refrigerator uses following type of compressor
  24. The specific humidity during cooling and dehumidification
  25. In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
  26. The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called
  27. The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
  28. The curved lines on a psychrometric chart indicates
  29. The freezing point of R-12 is
  30. A good refrigerant should have