Question

For sound casting, the freezing ratio for a given gating system (casting & riser) should be
0.6
0.8
1.0
1.2

Answer 1

For sound casting, the freezing ratio for a given gating system (casting & riser) should be 0.6

Explanation:

• Many gate systems have been developed in molding techniques.
• In the casting and riser system, many defects are found and that leads to the poor quality of the casting and filling in the moldings.
• Improvements are being made with better understanding and practice of methodologies.