A.retards fluidity
B.promotes brittleness
C.promotes oxidation
D.all of the above
Related Mcqs:
- The consitituent which has a powerful softening effect on cast iron and its presence in cast iron reduces the ability of the iron to retain carbon in chemical combination, is
- When sulphur is to be removed from cast iron while melting the same in cupola, the flux used is
- The presence of sulphur in pig iron makes
- An increase in the carbide/graphite ratio in cast iron tends to
- Blisters in wrought iron cause
- Which of the following operation on grey cast iron will result in the production of white cast iron?
- Which of the following material is added to cast iron to obtain nodular cast iron?
- Compared to grey cast iron white cast iron is
- Pig iron is obtained from iron ore, in a blast furnace by the process of
- Normal shrinkage allowance for aluminium is 18 mm per metre and that for cast iron 10 mm per metre. If the metal pattern is to be made of aluminium and the casting is to be of cast iron, the shrinkage allowed on wooden master pattern will be