The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

A. Will be higher

B. Will be lower

C. Will remain unaffected

D. May be higher or lower depending upon the nature of noncondensable gases

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  1. In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s.…
  2. An Electrolux refrigerator is called a __________ absorption system.
  3. The process of under-cooling is generally brought about by
  4. The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature…
  5. The operating temperature of a cold storage is 2°C. The heat leakage from the surrounding is 30…
  6. An important characteristic of absorption system of refrigeration is
  7. The refrigerant after condensation process is cooled below the saturation temperature before throttling.…
  8. The mass of water vapour present in __________ is called absolute humidity.
  9. On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line…
  10. The freezing point of sulphur dioxide is
  11. A bootstrap air cooling system has
  12. In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
  13. Nusselt number (NN) is given by
  14. During cooling and dehumidification, dry bulb temperature
  15. In a domestic vapour compression refrigerator, the refrigerant commonly used is
  16. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced…
  17. The desirable property of a refrigerant is
  18. At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant
  19. A refrigerant compressor is used to
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  21. Moisture in Freon refrigeration system causes
  22. The Freon group of refrigerants are
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  24. A one tonne refrigerating machine means that
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  26. Air refrigerator works on
  27. Absorption system normally uses the following refrigerant
  28. Air refrigeration cycle is used in
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