Home

During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

A. Time

B. Square root of time

C. Square of time

D. Cube of time

Related Questions

  1. The cathode in an electrochemical cell always carries
  2. In electrical resistance welding, distortion results from the use of improper
  3. L.D. (Linz-Donawitz) converter is used in the production of
  4. Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
  5. If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________…
  6. Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion…
  7. Normalising does not __________ of a metal.
  8. The hardenability of steel decreases with
  9. Uniform ramming of sand in green sand moulding process leads to
  10. The lightest non-inflammable gas is
  11. While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous…
  12. Change in volume of metals from absolute zero temperature to their melting points is
  13. The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is…
  14. Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare…
  15. Electrometallurgical methods of metal extraction is normally used for those metals
  16. Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the…
  17. Oxyacetylene reducing flame is used while carrying out welding on
  18. The starting of a car takes time in winter, because the
  19. The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following…
  20. Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?
  21. Out of the following, which will fracture most readity, when hit with a hard hammer?
  22. Biological shield in a nuclear reactor is generally provided to protect against the
  23. A pycnometer is used for the measurement of
  24. A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation…
  25. Identify the false statement
  26. To counteract the bad effects of strain hardening on a cold formed part, it must be
  27. The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation…
  28. Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
  29. Cold heading or upsetting is categorised as the __________ process.
  30. An abrupt and sudden fall in the reading of barometer is an indication of the

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