Match the forming methods in Group 1 with the defects in Group 2.
| Group 1 | Group 2 |
| P. Extrusion | 1. Flash cracking |
| Q. Closed die forging | 2. Fir-tree cracking |
| R. Rolling | 3. Alligatoring |
| 4. Earing |
A. P-1, Q-2, R-3
B. P-4, Q-3, R-1
C. P-3, Q-1, R-4
D. P-2, Q-1, R-3
Answer: Option A
This Question Belongs to Metallurgical Engineering >> Mechanical Metallurgy
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Related Questions on Mechanical Metallurgy
In a tensile test of ductile material, necking starts at
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A. $$2 + \frac{{\sigma 3}}{2}$$
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A. the outer edges of the rod
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Fir-tree cracking comes under Extrusion Defect & Flash cracking comes under Closed die forging