Q. In centrifugal castings, the cores are generally made of (Solved)
1. Green sand and molasses
2. Plastic
3. Wax
4. Cores are not used
5. Plaster of paris
- d. Cores are not used
1. Green sand and molasses
2. Plastic
3. Wax
4. Cores are not used
5. Plaster of paris