A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is

A. 349

B. 651

C. 667

D. 1000

Related Questions

  1. For a constant pressure reversible process, the enthalpy change (ΔH) of the system is
  2. Internal energy change of a system over one complete cycle in a cyclic process is
  3. The number of degrees of freedom at the triple point of water is
  4. The adiabatic throttling process of a perfect gas is one of constant enthalpy
  5. dW and dq are not the exact differential, because q and W are
  6. The equation relating E, P, V and T which is true for all substances under all conditions is given by…
  7. The main feature of Carnot refrigeration cycle is that, it
  8. Gibbs phase rule finds application, when heat transfer occurs by
  9. 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated…
  10. For organic compounds, group contribution method can be used for the estimation of
  11. Which of the following will increase the volume of a real gas by four times?
  12. Gibbs-Duhem equation
  13. Heat of reaction at constant volume is identified with __________ change.
  14. (∂H/∂T)P is the mathematical expression for
  15. Which of the following diagrams does not represent an Otto cycle?
  16. At absolute zero temperature, the __________ of the gas is zero.
  17. The temperature at the eutectic point of the system is the __________ temperature that can be attained…
  18. __________ explains the equilibrium constant for any chemical reaction.
  19. If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…
  20. Cv is given by
  21. Number of phases in a colloidal system is:
  22. The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium,…
  23. Pick out the correct statement:
  24. Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.
  25. The shape of T-S diagram for Carnot Cycle is a
  26. Which of the following identities can be most easily used to verify steam table data for superheated…
  27. __________ decreases during adiabatic throttling of a perfect gas.
  28. Gibbs-Helmholtz equation is
  29. Pick out the wrong statement.
  30. Activity co-efficient is a measure of the

Please do not use chat terms. Example: avoid using "grt" instead of "great".