A.refinement of grain structure
B.improving machinability
C.relieving internal stress
D.any of the above
Related Mcqs:
- During heat treatment the formation of thick layer of scale on the surface of steel articles is mainly due to
- One of the objects of annealing is
- Chilling, heat treatment and alloy addition to cast iron generally
- The effect of austenitic grain size development during heat treatment is
- Toughness of a material means
- Which heat treatment is applicable to aluminium alloy castings?
- As compared to green sand in shell moulding cooling rate of cast metal is slow. Hence as compared to green sand castings, shell moulded castings will have
- Quenching cracks during heat treatment can be minimised:
- Warping of articles during heat treatment may be due to
- Inoculants are added to aluminium mainly for
