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For obtaining high COP, the pressure range of compressor should be

A. High

B. Low

C. Optimum

D. Any value

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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 difference between dry bulb temperature and wet bulb temperature, is called
  3. A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250…
  4. The refrigerant after condensation process is cooled below the saturation temperature before throttling.…
  5. A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes…
  6. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device
  7. In a domestic vapour compression refrigerator, the refrigerant commonly used is
  8. In a vapour compression system, the condition of refrigerant before entering the expansion or throttle…
  9. Highest pressure encountered in a refrigeration system should be
  10. The coefficient of performance of Electrolux refrigerator is the ratio of
  11. During a refrigeration cycle, heat is rejected by the refrigerant in a
  12. The thermostatic expansion valve is used in __________ type of evaporators.
  13. During dehumidification process, the relative humidity
  14. The higher temperature in vapour compression cycle occurs at
  15. In a bootstrap air evaporative cooling system, the evaporator is provided
  16. The boiling point of ________ is 10.5°C.
  17. The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called
  18. Carbon dioxide is
  19. The domestic refrigerator uses following type of compressor
  20. The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture…
  21. Condensing temperature in a refrigerator is the temperature
  22. The alignment circle is marked on the psychrometric chart at
  23. Allowable pressure on high pressure side or ammonia absorption system is of the order of
  24. In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid
  25. The dry bulb temperature during sensible heating of air
  26. The boiling point of ammonia is
  27. In chemical dehumidification process,
  28. During sensible cooling of air ________ decreases.
  29. The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
  30. A standard ice point temperature corresponds to the temperature of