Which of the following heat treatment processes is usually applied to castings?

A. Tempering

B. Annealing

C. Normalising

D. Carburising

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

You can do it
  1. The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic…
  2. The main charge in blast furnace is usually
  3. The pressure outside a bubble/droplet of liquid is __________ the internal pressure.
  4. The trace metal present in insulin is
  5. The product (s) of roasting of a sulphide ore is (are)
  6. Adhesives
  7. All of the following alloying elements of steel increases hardness but sacrifice ductility, except
  8. Which of the following heat treatment processes is usually applied to castings?
  9. Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.
  10. High speed steel tools retain their hardness upto a temperature of __________ °C.
  11. __________ has a negative co-efficient of linear expansion.
  12. Corona discharge is related to the operation of a/an
  13. To counteract the bad effects of strain hardening on a cold formed part, it must be
  14. Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
  15. The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________…
  16. When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the
  17. Dew point temperature always gives an indication of the __________ of the moist air.
  18. Oxyacetylene reducing flame is used while carrying out welding on
  19. On being hit with a hammer, __________ will readily fracture.
  20. Pick out the wrong statement.
  21. Pick out the wrong statement.
  22. Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical…
  23. The most economical channel section for the fluid flow is the one for which the discharge is maximum…
  24. Fatigue resistance of a material is measured by the
  25. Identify the false statement
  26. __________ of test specimens is not involved in any hardness testing method.
  27. Material of construction of foundry crucible is
  28. A thin, flat & square plate measuring 2 m × 2 m is freely hanging in ambient air at 25°C.…
  29. 'Amortization' in respect of financial obligation of a company means the
  30. __________ is a special constituent of chlorophyll without which photosynthesis is not possible.