A.Fre carbon
B.Uneven heating
C.Non-uniform composition of steel
D.Presence of pearlite
E.Presence of cementite
Related Mcqs:
- The essential gradient of any hardened steel is
- Cracks of a vertical nature and dark coloured fissures in a sample of hardened steel indicate that
- If a medium carbon hardened steel shows pearlite structure it may be concluded that
- Killed’ steel is
- During hardening soft spots can be avoided by
- 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
- Hypoeutectoid steel has the structure of
- Which of the following constituent will increase the hardness of steel?
- If the steel at room temperature is magnetic, the presence of which constituent can be ruled out?
- Steel balls for ball bearings are generally made of
