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  1. With increase in compression ratio, the efficiency of the otto engine
  2. The ammonia synthesis reaction represented by N2 + 3H2 2NH3; ΔH = - 22.4 kcal, is
  3. Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg…
  4. The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components.…
  5. If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of…
  6. What is the ratio of adiabatic compressibility to isothermal compressibility?
  7. Pick out the correct statement.
  8. During adiabatic expansion of gas
  9. For any system, what is the minimum number of degrees of freedom?
  10. The temperature at which both liquid and gas phases are identical, is called the __________ point.
  11. In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured…
  12. For a spontaneous process, free energy
  13. Which of the following has the least thermal efficiency?
  14. The total change in the enthalpy of a system is independent of the
  15. Which of the following is not an intensive property?
  16. At triple point (for one component system), vapour pressure of solid as compared to that of liquid will…
  17. Which of the following units is not present in both the vapor compression refrigeration system and absorption…
  18. Pick out the undesirable property for a good refrigerant.
  19. Pick out the correct equation relating 'F' and 'A'.
  20. Pick out the correct statement.
  21. The expression, ΔG = nRT. ln(P2/P1), gives the free energy change
  22. In which of the following reaction equilibrium, the value of equilibrium constant Kp will be more than…
  23. The internal energy of an ideal gas is a function of its __________ only.
  24. The internal energy of an ideal gas does not change in a reversible __________ process.
  25. PVy = constant, holds good for an isentropic process, which is
  26. It is desired to bring about a certain change in the state of a system by performing work on the system…
  27. Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would…
  28. At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.
  29. Internal energy of an ideal gas
  30. If we increase the pressure on a substance (which is at its triple point), then the triple point