During sensible cooling,

A. Relative humidity remains constant

B. Wet bulb temperature increases

C. Specific humidity increases

D. Partial pressure of vapour remains constant

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  1. At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant
  2. A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will…
  3. Chaperon equation is applicable for registration at
  4. The boiling point of ammonia is
  5. The mass of water vapour present in __________ is called absolute humidity.
  6. The leakage in a refrigeration system using ammonia is detected by
  7. The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is
  8. The difference between dry bulb temperature and dew point temperature, is called
  9. The condensing pressure due to the presence of non-condensable gases, as compared to that actually required…
  10. Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
  11. Moisture in Freon refrigeration system causes
  12. The capillary tube, as an expansion device, is used in
  13. During sensible cooling of air ________ decreases.
  14. As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.
  15. Degree of saturation or percentage humidity is
  16. The condition of refrigerant as it leaves the compressor in a vapour compression system is
  17. The COP of a domestic refrigerator
  18. Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
  19. The process, generally used in winter air-conditioning to warm and humidity the air, is called
  20. When the air is passed through an insulated chamber having sprays of water maintained at a temperature…
  21. In vapour compression cycle the condition of refrigerant is superheated vapour
  22. In mechanical refrigeration system, the refrigerant has the maximum temperature
  23. Which of the following statement is correct for ammonia as a refrigerant?
  24. The boiling point of carbon dioxide is
  25. Short horizontal lines on pressure-enthalpy chart show
  26. The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature…
  27. In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as…
  28. In a vapour compression cycle, the refrigerant immediately after expansion valve is
  29. Choose the correct statement
  30. If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature…