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The wet bulb temperature during sensible cooling of air

A. Remains constant

B. Increases

C. Decreases

D. None of these

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  1. The evolution of heat of solution takes place in ammonia absorption plant when
  2. Which of the following statement is correct for ammonia as a refrigerant?
  3. A vapour absorption refrigeration system
  4. An evaporator is also known as
  5. Which of the following cycles uses air as the refrigerant?
  6. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
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  12. In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
  13. The undesirable property of a refrigerant is
  14. During sensible cooling of air ________ decreases.
  15. Absorption system normally uses the following refrigerant
  16. The curved lines on a psychrometric chart indicates
  17. The temperature of ammonia after compression in a vapour compression system is
  18. A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking…
  19. The operating pressure for refrigerating units using R-12 as a refrigerant is
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  21. A thermostatic expansion valve in a refrigeration system
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  23. A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250…
  24. The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called
  25. Mass flow ratio of NH₃ in comparison to Freon12 for same refrigeration load and same temperature…
  26. The relative humidity lines on a psychrometric chart are
  27. Formation of frost on evaporator in refrigerator
  28. The emissivity of a polished silver body is __________ as compared to black body.
  29. During dehumidification process, the relative humidity
  30. Rick up the incorrect statement