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Match the defects in Group 1 with possible causes in Group...

This question belongs to Metallurgical Engineering Foundry Metallurgy
Foundry Metallurgy
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Match the defects in Group 1 with possible causes in Group 2.
Group 1 Group 2
P. Misruns 1. Sand expansion
Q. Shifts 2. Molding materials
R. Blowholes 3. Improper heating of metals
S. Scabs 4. Molding and core making

Answer & Solution
Correct Answer: Option A
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