For obtaining high COP, the pressure range of compressor should be

Related Questions

1. In vapour compression refrigeration system, refrigerant occurs as liquid between
2. The reduced ambient air cooling system has
3. During adiabatic saturation process on unsaturated air __________ remains constant.
4. A bootstrap air cooling system has
5. The humidification process, on the psychrometric chart is shown by
6. During sensible heating of air _________ decreases.
7. The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which…
8. The unit of thermal diffusivity is
9. The humidity ratio or specific humidity is the mass of water vapour present in
10. Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the…
11. Oil separator in a refrigeration cycle is installed
12. The dry bulb temperature lines, on the psychrometric chart are
13. Dry bulb temperature is the temperature of air recorded by a thermometer, when
14. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water…
15. Which of the following refrigerants has lowest freezing point?
16. Air refrigeration cycle is used in
17. During dehumidification process, __________ remains constant.
18. Air conditioning means
19. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing…
20. In vapour compression cycle the condition of refrigerant is superheated vapour
21. The thermostatic expansion valve is also called
22. The operating temperature of a cold storage is 2°C. The heat leakage from the surrounding is 30…
23. The wet bulb temperature during sensible cooling of air
24. A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature…
25. The emissivity of a polished silver body is __________ as compared to black body.
26. Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
27. A vapour absorption refrigeration system
28. The relative coefficient of performance is equal to
29. The wet bulb depression is zero when relative humidity is
30. An Electrolux refrigerator is called a __________ absorption system.

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