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The throttling process is __________ process.

A. Reversible

B. Irreversible

C. Reversible or irreversible

D. None of these

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

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  1. A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions…
  2. The stress developed in a material at breaking point in extension is called
  3. The polytropic index (n) is given by
  4. When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear…
  5. The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ =…
  6. Euler's formula holds good only for
  7. In a uniform bar, supported at one end in position, the maximum stress under self weight of bar shall…
  8. Resilience is the
  9. Those substances which have so far not been resolved by any means into other substances of simpler form…
  10. The deformation of a bar under its own weight compared to the deformation of same body subjected to…
  11. A circular shaft fixed at, A has diameter D for half of its length and diameter D/2 over the other half,…
  12. The value of shear stress which is induced in the shaft due to the applied couple varies
  13. The natural petroleum may be separated into
  14. A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in…
  15. For the same compression ratio, the efficiency of dual combustion cycle is
  16. The value of 1 mm of Hg is equal to
  17. Reversed joule cycle is called
  18. The entropy __________ in an irreversible cyclic process.
  19. A coil is cut into two halves, the stiffness of cut coil will be
  20. 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…
  21. The gas in cooling chamber of a closed cycle gas turbine is cooled at
  22. The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated…
  23. The value of Poisson's ratio for steel is between
  24. The section modulus of a circular section about an axis through its C.G., is
  25. Mond gas is obtained by
  26. If the slenderness ratio for a column is 100, then it is said to be a _________ column.
  27. True stress strain-curve for materials is plotted between
  28. In order to know whether a column is long or short, we must know its
  29. According to Kelvin-Planck's statement of second law of thermodynamics,
  30. Which of the following has the highest calorific value?