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During a refrigeration cycle, heat is rejected by the refrigerant in a

A. Compressor

B. Condenser

C. Evaporator

D. Expansion valve

Correct Answer : B.


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  1. One ton of the refrigeration is
  2. In a vapour compression system, the condition of refrigerant is dry saturated vapour
  3. The specific humidity during heating and humidification process.
  4. The thermal diffusivity for gases is generally __________ those for liquids.
  5. It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature…
  6. The sensible heat factor during cooling and dehumidification process is given by (where h₁ =…
  7. Which of the following statement is wrong?
  8. The process, generally used in winter air-conditioning to warm and humidity the air, is called
  9. An Electrolux refrigerator is called a __________ absorption system.
  10. During sensible cooling of air ________ decreases.
  11. In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature…
  12. The COP of a domestic refrigerator
  13. In a refrigeration system, the expansion device is connected between the
  14. For air conditioning the operation theatre in a hospital, the percentage of outside air in the air supplied…
  15. Nusselt number (NN) is given by
  16. The temperature of ammonia after compression in a vapour compression system is
  17. The leakage in a refrigeration system using ammonia is detected by
  18. The leakage in a refrigeration system using Freon is detected by
  19. In case of sensible cooling of air, the coil efficiency is given by
  20. The superheated vapour region, in a pressure enthalpy chart, is represented by the space
  21. Vertical lines on pressure-enthalpy chart show constant
  22. The lowest temperature during the cycle in a vapour compression system occurs after
  23. Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?
  24. For obtaining high COP, the pressure range of compressor should be
  25. A vapour absorption refrigerator uses __________ as a refrigerant.
  26. In a vapour compression system, the condition of refrigerant before entering the expansion or throttle…
  27. In a reversed Brayton cycle, the heat is absorbed by the air during
  28. A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250…
  29. The optimum effective temperature for human comfort is
  30. The difference between dry bulb temperature and dew point temperature, is called