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The reduced ambient air cooling system has

A. One cooling turbine and one heat exchanger

B. One cooling turbine and two heat exchangers

C. Two cooling turbines and one heat exchanger

D. Two cooling turbines and two heat exchangers

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  1. The superheating in a refrigeration cycle
  2. Moisture in Freon refrigeration system causes
  3. The moisture in a refrigerant is removed by
  4. The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature…
  5. The sensible heat factor during the heating and humidification process is given by (where h₁…
  6. The reciprocating refrigerant compressors are very suitable for
  7. The undesirable property of a refrigerant is
  8. The desirable property of a refrigerant is
  9. A bootstrap air cooling system has
  10. Which of the following refrigerant is highly toxic and flammable?
  11. The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is
  12. Formation of frost on evaporator in refrigerator
  13. Most of the domestic refrigerators work on the following refrigeration system
  14. The C.O.P. of a heat pump working on a reversed Carnot cycle is
  15. Most air cooled condensers are designed to operate with a temperature difference of
  16. The centrifugal compressors are generally used for refrigerants that require
  17. While designing the refrigeration system of an aircraft, the prime consideration is that the
  18. A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same…
  19. The advantage of dry compression is that
  20. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression…
  21. A thermostatic expansion valve in a refrigeration system
  22. The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents
  23. For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet…
  24. A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes…
  25. The thermal diffusivity for gases is generally __________ those for liquids.
  26. The coefficient of performance is the ratio of the refrigerant effect to the
  27. In a refrigerating machine, heat rejected is _________ heat absorbed.
  28. The emissivity of a polished silver body is __________ as compared to black body.
  29. During sensible cooling,
  30. In S.J. unit, one ton of refrigeration is equal to