Pick out the correct statement.

A. Hot worked materials are subjected to annealing to remove internal stresses

B. Annealing of steel hardens it slightly

C. Normalising of a material induces stresses

D. Tempering of a material improves ductility & toughness but reduces hardness & brittleness

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

You can do it
  1. __________ has the highest melting point out of the following.
  2. Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is…
  3. Fatigue resistance of a material is measured by the
  4. Normalising does not __________ of a metal.
  5. Out of the following, the most malleable material is
  6. Increase in the entropy of a system represents the
  7. Drossing is a __________ operation.
  8. Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when…
  9. The unit of gc is
  10. __________ property of steel increases by addition of large amount of silicon in it.
  11. The transition temperature at which all the ferromagnetic materials become paramagnetic materials is…
  12. Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be
  13. Water-tube boiler is the one, in which
  14. The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where,…
  15. Working of linear variable differential transducer (LVDT) is based on the principle of variable
  16. Glass reacts with
  17. Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete…
  18. Austempering process results in the formation of __________ structure.
  19. Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________…
  20. The starting of a car takes time in winter, because the
  21. Which of the following metals is the most prone to work hardening?
  22. Secondary hardening in steels arises out of the
  23. In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular…
  24. For an ideal gas, Cp - Cv is
  25. If a solid is compressed adiabatically in its elastic range, its __________ remains constant
  26. The two elements required to form substitutional solid solution should not have
  27. Force between the molecules of the same substance is called __________ force.
  28. The joint for soldering is supported by binding wire made of
  29. Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial…
  30. The highest stress that a material can withstand for a specified length of time without excessive deformation…