The wet bulb temperature during sensible heating of air

A. Remains constant

B. Increases

C. Decreases

D. None of these

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  1. During sensible cooling of air ________ decreases.
  2. Which of the following refrigerant has the highest freezing point.
  3. Short horizontal lines on pressure-enthalpy chart show
  4. The pressure at the outlet of a refrigerant compressor is called
  5. If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature…
  6. A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking…
  7. The relative humidity is defined as
  8. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss…
  9. The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which…
  10. An important characteristic of absorption system of refrigeration is
  11. One of the purposes of sub cooling the liquid refrigerant is to
  12. As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.
  13. Formation of frost on evaporator in refrigerator
  14. The reciprocating refrigerant compressors are very suitable for
  15. Which of the following cycles uses air as the refrigerant?
  16. Which of the following statement is correct?
  17. The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour…
  18. The specific humidity during dehumidification process
  19. For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and…
  20. During humidification process, dry bulb temperature
  21. Which of the following refrigerants has lowest freezing point?
  22. The evaporator used in household refrigerators is
  23. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute…
  24. Bell Coleman cycle is a
  25. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device
  26. The refrigerant supplied to a compressor must be
  27. Highest pressure encountered in a refrigeration system should be
  28. The heat rejection factor (HRF) is given by
  29. The relative humidity lines on a psychrometric chart are
  30. The superheating in a refrigeration cycle