For the following questions answer them individually
_______ does not certain tin as an alloying element.
Under microscope ferrite appears as
_______ structure is obtained by austempering process of heat treatment.
Preheating is essential in welding
The melting point is the lowest for
_______ is commonly used for making household utensils.
Ball bearings are generally made up of
______ has high tendency to get work hardened.
______ is the hardest known material
______ is obtained by isothermal hardening operation.