A thermostatic expansion valve in a refrigeration system

A. Ensures the evaporator completely filled with refrigerant of the load

B. Is suitable only for constant load systems

C. Maintains different temperatures in evaporator in proportion to load

D. None of the above

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  1. In refrigerators, the temperature difference between the evaporating refrigerant and the medium being…
  2. The sensible heat factor during the heating and humidification process is given by (where h₁…
  3. The specific humidity during dehumidification process
  4. The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the…
  5. In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to
  6. The condition of refrigerant as it leaves the compressor in a vapour compression system is
  7. A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature…
  8. The relative coefficient of performance is
  9. Most air cooled condensers are designed to operate with a temperature difference of
  10. Which of the following statement is correct?
  11. The leakage in a refrigeration system using Freon is detected by
  12. In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively
  13. The difference between dry bulb temperature and wet bulb temperature, is called
  14. Moisture in Freon refrigeration system causes
  15. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss…
  16. The boiling point of ammonia is
  17. The thermostatic expansion valve is also called
  18. Dry bulb temperature is the temperature of air recorded by a thermometer, when
  19. The centrifugal compressors are generally used for refrigerants that require
  20. During dehumidification process, __________ remains constant.
  21. The formation of frost on cooling coils in a refrigerator
  22. Presence of moisture in a refrigerant affects the working of
  23. The capillary tube, as an expansion device, is used in
  24. The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
  25. The wet bulb depression indicates _________ humidity of the air.
  26. In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
  27. The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature…
  28. The lowest thermal diffusivity is of
  29. Which of the following statement is correct?
  30. The wet bulb depression is zero when relative humidity is