Home

Which of the following is the correct statement?

A. All the reversible engines have the same efficiency.

B. All the reversible and irreversible engines have the same efficiency.

C. Irreversible engines have maximum efficiency.

D. All engines are designed as reversible in order to obtain maximum efficiency.

Related Questions

  1. The behaviour of super-heated vapour is similar to that of
  2. When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
  3. One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.
  4. Otto cycle is also known as
  5. The efficiency of the Carnot cycle may be increased by
  6. The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant…
  7. For which material the Poisson's ratio is more than unity
  8. The efficiency of Joule cycle is
  9. A close cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.
  10. A cycle consisting of two isothermal and two isentropic processes, is known as
  11. A fletched beam is used to
  12. The maximum stress produced in a bar of tapering section is at
  13. A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of…
  14. The mass of carbon per kg of flue gas is given by
  15. Which of the following is a reversible non-flow process?
  16. Which of the following gas is mostly used in town for street and domestic lighting and heating?
  17. The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by
  18. The unit of Young's modulus is
  19. Flow stress corresponds to
  20. Strain re-setters are used to
  21. The fuel mostly used in cement industry and in metallurgical processes is
  22. The shear force diagram of a cantilever beam of length l and carrying a uniformly distributed load of…
  23. One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates…
  24. The general law for the expansion or compression of gases, is
  25. During which of the following process does heat rejection takes place in Carnot cycle?
  26. The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant…
  27. The maximum bending moment for the beam shown in the below figure, is
  28. Shear stress induced in a shaft subjected to tension will be
  29. Reversed Joule cycle is known as
  30. Charles' law states that all perfect gases change in volume by __________ of its original volume at…

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