A.ferrite and cementite
B.cementitie and peoitite
C.pearlite and ferrite
D.austenti and ferrite
Related Mcqs:
- Hypoeutectoid steel has the structure of
- 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 containing 6.6% carbon is
- 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
- In a 0.2% carbon steel which has been heated above the third critical temperature on cooling at the first critical point the austenite remaining in solution is transformed to new structure called
- If the steel at room temperature is magnetic, the presence of which constituent can be ruled out?
- A hardness value of 1400 BHN can be expected in case of
- Pure iron has the structure of
- The essential gradient of any hardened steel is
- Which of the following constituent will increase the hardness of steel?
