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The coefficient of performance is the ratio of the refrigerant effect to the

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A. Heat of compression

B. Work done by compressor

C. Enthalpy increase in compressor

D. All of the above

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Correct Answer : D.


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Related Questions

  1. In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as…
  2. The pressure at the inlet of a refrigerant compressor is called
  3. The sensible heat factor during cooling and dehumidification process is given by (where h₁ =…
  4. During sensible cooling of air ________ decreases.
  5. In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
  6. A one tonne refrigerating machine means that
  7. The wet bulb temperature during sensible heating of air
  8. During sensible cooling of air, specific humidity
  9. The mass of water vapour present in __________ is called absolute humidity.
  10. The refrigerant for a refrigerator should have
  11. The conditioned air supplied to the room must have the capacity to take up
  12. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
  13. The relative humidity lines on a psychrometric chart are
  14. If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the…
  15. Where does the lowest temperature occur in a vapour compression cycle?
  16. The desirable property of a refrigerant is
  17. The human body feels comfortable when the heat stored in the body is
  18. One ton of the refrigeration is
  19. The boiling point of ________ is 10.5°C.
  20. During humidification process, dry bulb temperature
  21. The refrigerant supplied to a compressor must be
  22. A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250…
  23. In S.J. unit, one ton of refrigeration is equal to
  24. The refrigerant after condensation process is cooled below the saturation temperature before throttling.…
  25. For air conditioning the operation theatre in a hospital, the percentage of outside air in the air supplied…
  26. For unsaturated air, the dew point temperature is __________ wet bulb temperature.
  27. Which of the following refrigerant is highly toxic and flammable?
  28. The process, generally used in winter air-conditioning to warm and humidity the air, is called
  29. A human body feels comfortable when the heat produced by the metabolism of human body is equal to the
  30. Air conditioning means

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