Q76
Match the following strengthening methods (Group I) in metallic alloys with typical mechanisms responsible (Group II) for them. Group I Group II P. Grain size strengthening 1. Orowan looping Q. Work hardening 2. Suzuki interaction R. Dispersion strengthening 3. Lomer-Cottrell-barrier S. Solid solution hardening 4. Dislocation pile up at grain boundaries
Match the following strengthening methods (Group I) in metallic alloys with typical mechanisms responsible (Group II) for them.
| Group I | Group II |
| P. Grain size strengthening | 1. Orowan looping |
| Q. Work hardening | 2. Suzuki interaction |
| R. Dispersion strengthening | 3. Lomer-Cottrell-barrier |
| S. Solid solution hardening | 4. Dislocation pile up at grain boundaries |
A.
P-3, Q-4, R-2, S-1
B.
P-3, Q-2, R-1, S-4
C.
P-4, Q-3, R-1, S-2
AnswerD.
P-4, Q-1, R-3, S-2
Answer: Option C
Solution
Answer: Option C
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