A refrigerator may be termed as a

Related Questions

1. Pick out the wrong statement.
2. Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of
3. dW and dq are not the exact differential, because q and W are
4. Which of the following is not an intensive property?
5. The first law of thermodynamics is a statement of conservation of
6. If atmospheric temperature and dew point are nearly equal, then the relative humidity is
7. The third law of thermodynamics states that the
8. Sound waves propagation in air exemplifies an __________ process.
9. The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for
10. With increase in temperature, the atomic heat capacities of all solid elements
11. Consider the process A & B shown in the figure given below: In this case, it is possible that
12. Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed…
13. Gibbs free energy of mixing at constant pressure and temperature is always
14. Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 >…
15. Pick out the correct equation relating 'F' and 'A'.
16. In case of a close thermodynamic system, there is __________ across the boundaries.
17. The absolute entropy for all crystalline substances at absolute zero temperature is
18. During Joule-Thomson expansion of gases
19. Third law of thermodynamics is concerned with the
20. Pick out the wrong statement.
21. Efficiency of a Carnot engine working between temperatures T1 and T2 (T1 < T) is
22. Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would…
23. Pick out the wrong statement.
24. Which of the following has the minimum value of COP for a given refrigeration effect?
25. Work done in case of free expansion is
26. Which of the following is a thermodynamic property of a system?
27. Choose the condition that must be specified in order to liquify CO2 (triple point for CO2 is - 57°C…
28. For an ideal liquid solution, which of the following is unity?
29. Free energy changes for two reaction mechanism 'X' and 'Y are respectively - 15 and - 5 units. It implies…
30. Any substance above its critical temperature exists as

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