The leakage in a refrigeration system using ammonia is detected by

Related Questions

1. In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
2. In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the
3. Freon group of refrigerants are
4. Critical pressure of a liquid is the pressure
5. The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative…
6. The wet bulb temperature at 100% relative humidity is ________ dew point temperature.
7. Air refrigeration operates on
8. In larger industrial and commercial reciprocating compression systems, refrigerant widely used is
9. The emissivity of a polished silver body is __________ as compared to black body.
10. In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s.…
11. For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet…
12. The leakage in a refrigeration system using Freon is detected by
13. The temperature of ammonia after compression in a vapour compression system is
14. The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed…
15. Which of the following statement is wrong?
16. Most air cooled condensers are designed to operate with a temperature difference of
17. A refrigerant compressor is used to
18. Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the…
19. A vapour absorption refrigeration system
20. The Freon group of refrigerants are
21. The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature…
22. The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by
23. The pressure at the inlet of a refrigerant compressor is called
24. While designing the refrigeration system of an aircraft, the prime consideration is that the
25. The moisture in a refrigerant is removed by
26. An important characteristic of absorption system of refrigeration is
27. The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is
28. Wet bulb temperature is the temperature of air recorded by a thermometer, when
29. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device
30. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

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