The power per tonne of refrigeration is

Related Questions

1. A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine…
2. In aircraft, air refrigeration Cycle is used because of
3. A bootstrap air cooling system has
4. For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is
5. While designing the refrigeration system of an aircraft, the prime consideration is that the
6. Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
7. The COP of a domestic refrigerator
8. The freezing point of R-12 is
9. The alignment circle is marked on the psychrometric chart at
10. The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which…
11. In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s.…
12. During sensible heating of air _________ decreases.
13. The thermostatic expansion valve operates on the changes in the
14. Air refrigeration cycle is used in
15. In a vapour compression system, the condition of refrigerant before passing through the condenser is
16. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression…
17. In a bootstrap air evaporative cooling system, the evaporator is provided
18. Air refrigeration cycle is used in
19. The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the…
20. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced…
21. The leakage in a refrigeration system using ammonia is detected by
22. The capillary tube, as an expansion device, is used in
23. The operating pressure for refrigerating units using R-12 as a refrigerant is
24. The difference between dry bulb temperature and dew point temperature, is called
25. The horizontal and non-uniformly spaced lines on a psychrometric chart indicates
26. Which of the following refrigerant has the lowest boiling point?
27. The unit of thermal diffusivity is
28. In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
29. Which of the following refrigerant is highly toxic and flammable?
30. The wet bulb temperature during sensible cooling of air

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