A.free graphite
B.cementite
C.free carbon
D.none of the above
Related Mcqs:
- Which inoculant is used to produced ductile iron?
- While machining cast iron generally cutting fluid is not required because
- 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
- Carbon steel is
- In grey cast iron, carbon is present in the form of
- Which of the following is used to increase refractoriness of sand?
- The properties of cast iron are regulated by
- 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
- When piece of 0.2% carbon steel is heated above third critical point the steel is a solid solution of carbon in gamma iron and called
- Cast iron contains
