Q. In pack-carburising carbon is supplied (Solved)
1. In the form of charcoal
2. Through gas
3. In the form of hydrocarbons
4. In the form of calcium carbide
5. In the form of graphite
- a. In the form of charcoal
1. In the form of charcoal
2. Through gas
3. In the form of hydrocarbons
4. In the form of calcium carbide
5. In the form of graphite