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  1. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
  2. The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents
  3. The specific humidity during heating and humidification process.
  4. The thermostatic expansion valve is used in __________ type of evaporators.
  5. The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate…
  6. The specific humidity during cooling and dehumidification
  7. The Freon group of refrigerants are
  8. In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
  9. The vapour pressure of refrigerant should be
  10. Dry bulb temperature is the temperature of air recorded by a thermometer, when
  11. Reducing suction pressure in refrigeration cycle
  12. The optimum effective temperature for human comfort is
  13. In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as…
  14. Short horizontal lines on pressure-enthalpy chart show
  15. In a domestic vapour compression refrigerator, the refrigerant commonly used is
  16. The thermal diffusivity for gases is generally __________ those for liquids.
  17. Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
  18. A one tonne refrigerating machine means that
  19. The humidity ratio or specific humidity is the mass of water vapour present in
  20. Rating of a domestic refrigerator is of the order of
  21. A human body feels comfortable when the heat produced by the metabolism of human body is equal to the
  22. In S.J. unit, one ton of refrigeration is equal to
  23. The evaporator used in household refrigerators is
  24. The coefficient of performance of Electrolux refrigerator is the ratio of
  25. When the air is passed through an insulated chamber having sprays of water maintained at a temperature…
  26. While designing the refrigeration system of an aircraft, the prime consideration is that the
  27. The higher temperature in vapour compression cycle occurs at
  28. The leakage in a refrigeration system using ammonia is detected by
  29. Condensing temperature in a refrigerator is the temperature
  30. During heating and humidification, the final relative humidity of air