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The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer.

A. Same

B. Lower

C. Higher

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the
  2. Aqua ammonia is used as refrigerant in the following type of refrigeration system
  3. During heating and humidification, the final relative humidity of air
  4. The optimum effective temperature for human comfort is
  5. A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature…
  6. The refrigerant supplied to a compressor must be
  7. Moisture should be removed from refrigerants to avoid
  8. The capillary tube, as an expansion device, is used in
  9. The wet bulb temperature at 100% relative humidity is ________ dew point temperature.
  10. Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the…
  11. A refrigeration system
  12. Which of the following refrigerant has the highest freezing point.
  13. Freon group of refrigerants are
  14. The process, generally used in summer air conditioning to cool and dehumidify the air, is called
  15. The temperature of ammonia after compression in a vapour compression system is
  16. The humidification process, on the psychrometric chart is shown by
  17. Which of the following refrigerant has the lowest freezing point?
  18. For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is
  19. The index which correlates the combined effects of air temperature, relative humidity and air velocity…
  20. In a refrigeration system, the expansion device is connected between the
  21. Which of the following statement is correct?
  22. The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed…
  23. In a vapour compression system, the condition of refrigerant before passing through the condenser is
  24. Where does the lowest temperature occur in a vapour compression cycle?
  25. R-12 is generally preferred over R-22 in deep freezers since
  26. The capacity of a domestic refrigerator is in the range of
  27. The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour…
  28. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
  29. The minimum temperature to which water can be cooled in a cooling tower is
  30. The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature…