A.reduces the melting point
B.increases the melting point
C.does not change the melting point
Related Mcqs:
- The presence of impurities in iron
- 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
- Chilling, heat treatment and alloy addition to cast iron generally
- Presence of impurities in ice
- Generally for the melting of cast iron, electric furnaces are not used because
- The solid solution carbon in alpha iron obtained on cooling of 0.2% carbon steel which have been heated above the third critical point is called
- The highest percentage of carbon that an iron carbon alloy can have is
- Presence of sulphur in cast iron
- Which of the following is the least pure from of iron?
- With rise in temperature the resistance of pure metals __________?
