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Dry bulb temperature is the temperature of air recorded by a thermometer, when

A. It is not affected by the moisture present in the air

B. Its bulb is surrounded by a wet cloth exposed to the air

C. The moisture present in it begins to condense

D. None of the above

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  1. During cooling and dehumidification, dry bulb temperature
  2. Degree of saturation or percentage humidity is
  3. In a vapour compression system, the condition of refrigerant is dry saturated vapour
  4. The wet bulb temperature at 100% relative humidity is ________ dew point temperature.
  5. Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the…
  6. The lowest temperature during the cycle in a vapour compression system occurs after
  7. Absorption system normally uses the following refrigerant
  8. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water…
  9. In a bootstrap air evaporative cooling system, the evaporator is provided
  10. The COP of a domestic refrigerator
  11. The relative coefficient of performance is
  12. Presence of moisture in a refrigerant affects the working of
  13. The C.O.P. of a heat pump working on a reversed Carnot cycle is
  14. In Electrolux refrigerator
  15. Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?
  16. The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is
  17. Condensing temperature in a refrigerator is the temperature
  18. One of the purposes of sub cooling the liquid refrigerant is to
  19. A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking…
  20. For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference…
  21. Which of the following is not a desirable property of a refrigerant?
  22. The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is
  23. Nusselt number (NN) is given by
  24. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing…
  25. For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet…
  26. A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will…
  27. The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the…
  28. The humidification process, on the psychrometric chart is shown by
  29. Cooling water is required for following equipment in ammonia absorption plant
  30. Air refrigerator works on