The unit of thermal diffusivity is

Related Questions

1. On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line…
2. In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s.…
3. A refrigeration system
4. The evolution of heat of solution takes place in ammonia absorption plant when
5. The dehumidification process, on the psychrometric chart, is shown by
6. The minimum temperature to which water can be cooled in a cooling tower is
7. Pressure of water vapour is given by
8. In aircraft, air refrigeration Cycle is used because of
9. The relative coefficient of performance is
10. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water…
11. The cooling system used for supersonic aircrafts and rockets is
12. The power per tonne of refrigeration is
13. Rating of a domestic refrigerator is of the order of
14. Degree of saturation or percentage humidity is
15. The vapour pressure of refrigerant should be
16. The coefficient of performance of Electrolux refrigerator is the ratio of
17. A thermostatic expansion valve in a refrigeration system
18. Short horizontal lines on pressure-enthalpy chart show
19. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
20. The heat rejection factor (HRF) is given by
21. The conditioned air supplied to the room must have the capacity to take up
22. In a vapour compression system, the condition of refrigerant before passing through the condenser is
23. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression…
24. Which of the following refrigerant has the lowest boiling point?
25. In vapour compression cycle, the condition of refrigerant is very wet vapour
26. The bank of tubes at the back of domestic refrigerator is
27. Formation of frost on evaporator in refrigerator
28. As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.
29. The higher temperature in vapour compression cycle occurs at
30. In a psychrometric chart, specific humidity (moisture content) lines are

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