COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about

Related Questions

1. Cp - Cv = R is valid for __________ gases.
2. In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process.
3. If we increase the pressure on a substance (which is at its triple point), then the triple point
4. The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing…
5. The equation Tds = dE - PdV applies to
6. A gas can be liquefied by pressure alone only, when its temperature is __________ its critical temperature.
7. Critical temperature is defined as the temperature above which a gas will
8. When a system is in equilibrium for all possible processes, the differential or finite change of entropy…
9. Domestic refrigerator usually works on the __________ refrigeration cycle.
10. The compressibility factor for an ideal gas is 1. Its value for any other real gas is
11. A refrigerator may be termed as a
12. 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is
13. Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2.Degree…
14. Fundamental principle of refrigeration is based on the __________ law of thermodynamics.
15. Choose the condition that must be specified in order to liquify CO2 (triple point for CO2 is - 57°C…
16. The value of gas constant 'R' is
17. The variation of heat of reaction with temperature at constant pressure is given by the __________ law.
18. The temperature at the eutectic point of the system is the __________ temperature that can be attained…
19. In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction…
20. The standard Gibbs free energy change of a reaction depends on the equilibrium
21. The expression for the work done for a reversible polytropic process can be used to obtain the expression…
22. The principle applied in liquefaction of gases is
23. When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the…
24. Refrigeration capacity of a household refrigerator may be round about __________ tons.
25. Entropy of an ideal gas depends upon its
26. Clausius-Clapeyron equation is applicable to __________ equilibrium processes.
27. Fugacity is most helpful in
28. A change in state involving a decrease in entropy can be spontaneous, only if
29. A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The…
30. Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity…

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