Q1: Cast steel is manufactured by

ANS:B - Crucible process

Crucible Process: The process involves heating of either blister steel fragments or short lengths of wrought iron bars mixed with charcoal inside fire clay crucibles. The resulting molten steel is allowed to run through iron moulds. Such steel is called "cast iron". Cast steel is extremely hard and perfectly homogenous. These are specifically used for making cutting tools and the finest cutlery items.