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Presence of moisture in a refrigerant affects the working of

A. Compressor

B. Condenser

C. Evaporator

D. Expansion valve

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  1. The higher temperature in vapour compression cycle occurs at
  2. In a vapour compression system, the condition of refrigerant before entering the expansion or throttle…
  3. Vertical lines on pressure-enthalpy chart show constant
  4. The C.O.P. of a heat pump working on a reversed Carnot cycle is
  5. The COP of a domestic refrigerator
  6. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression…
  7. For obtaining high COP, the pressure range of compressor should be
  8. Vapour compression refrigeration is somewhat like
  9. A one tonne refrigerating machine means that
  10. In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
  11. A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour…
  12. The undesirable property of a refrigerant is
  13. The relative coefficient of performance is
  14. The temperature of ammonia after compression in a vapour compression system is
  15. Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the…
  16. The boiling point of ammonia is
  17. Choose the wrong statement
  18. The operating pressure for refrigerating units using R-12 as a refrigerant is
  19. The desirable property of a refrigerant is
  20. The vertical and uniformly spaced lines on a psychrometric chart indicates
  21. Most air cooled condensers are designed to operate with a temperature difference of
  22. Which of the following statement is wrong?
  23. A vapour absorption refrigeration system
  24. The capillary tube, as an expansion device, is used in
  25. The thermal diffusivity for gases is generally __________ those for liquids.
  26. During humidification process, dry bulb temperature
  27. Wet bulb temperature is the temperature of air recorded by a thermometer, when
  28. The bypass factor of a cooling coil decreases with
  29. The reciprocating refrigerant compressors are very suitable for
  30. Which of the following is not a desirable property of a refrigerant?