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The unit of thermal diffusivity is

A. m/hK

B. m/h

C. m²/h

D. m²/hK

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Accumulators should have adequate volume to store refrigerant charge at least
  2. The conditioned air supplied to the room must have the capacity to take up
  3. The alignment circle is marked on the psychrometric chart at
  4. Which of the following is not a desirable property of a refrigerant?
  5. In a refrigeration system, heat absorbed in comparison to heat rejected is
  6. Formation of frost on evaporator in refrigerator
  7. The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is
  8. In aircraft, air refrigeration Cycle is used because of
  9. Which of the following statement is correct?
  10. The reduced ambient air cooling system has
  11. The thermostatic expansion valve is used in __________ type of evaporators.
  12. Rating of a domestic refrigerator is of the order of
  13. The wet bulb depression is zero when relative humidity is
  14. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water…
  15. Which of the following refrigerant has the highest freezing point.
  16. The vapour compression refrigerator employs the following cycle
  17. Allowable pressure on high pressure side or ammonia absorption system is of the order of
  18. Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption…
  19. The temperature of ammonia after compression in a vapour compression system is
  20. Which of the following refrigerant is highly toxic and flammable?
  21. The specific humidity during dehumidification process
  22. The condition of refrigerant after passing through the condenser in a vapour compression system is
  23. The human body feels comfortable when the heat stored in the body is
  24. The bank of tubes at the back of domestic refrigerator is
  25. The specific humidity during heating and humidification process.
  26. The lowest temperature during the cycle in a vapour compression system occurs after
  27. An Electrolux refrigerator is called a __________ absorption system.
  28. Aqua ammonia is used as refrigerant in the following type of refrigeration system
  29. The relative humidity lines on a psychrometric chart are
  30. The process, generally used in winter air-conditioning to warm and humidity the air, is called