Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

A. Cold

B. Work

C. Age

D. Induction

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

You can do it
  1. Pick out the wrong statement.
  2. Superheating of steam is done at constant
  3. The noble metals
  4. Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble…
  5. During sensible heating of humid air
  6. At the point of boundary layer separation in fluid flow, the
  7. Which of the following is not categorised as the ore agglomeration process?
  8. Large scale fire on fuel gas line is normally extinguished by
  9. Case hardening is not done by
  10. Coating provided on the electrodes used in the arc welding is not expected to
  11. One ton of refrigeration is not equivalent to the heat removal rate of
  12. Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
  13. Recrystallisation temperature of steel is __________ °C.
  14. In chemical dehumidification process
  15. Which of the following is the most suitable material of construction for the condenser tubes, where…
  16. For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other…
  17. What happens, when SO2 is passed through a solution of H2S in water?
  18. A dummy activity is used in PERT network to describe the
  19. Pressure required to increase the density of water by about 1% is __________ atmosphere.
  20. Brazing filler metal used for joining steel plates
  21. Which of the following has the least value of ultimate tensile strength (UTS)?
  22. The stress at which extension of the material takes place more rapidly as compared to the increase in…
  23. __________ number determines whether the fluid flow in an open channel is supercritical, critical or…
  24. For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
  25. Which of the following metals cannot be hot worked at room temperature?
  26. Mild steel has __________ crystal lattice structure.
  27. Dislocations are __________ defects.
  28. Alloy powder manufactured by the following process have spherical shapes.
  29. An ideal material for making cooking vessels should have
  30. The following type of bonding is strongly directional in solids.