a) What type of casting process is typically used to cast the Piston as shown in Fig. 1? (5points) b) Briefly explain the major significance of the above selected casting

process, what type of mold material is used? (10) [minimum 5 bullet points] c) Based on the cast material and mold material for the process, explain its effect on solidification with the rough sketch? (10) [minimum 5 bullet points] d) Explain why spreading takes place in rolling operation and how can one overcome crowing? (5 points) [minimum 3 bullet points] e) Why is inoculation used in metal casting (5 points) [minimum 3 bullet points] ? (15f) What are the typical defects formed in rolling?