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Match the suitability of non-destructive testing method in Group I for the detection of defects listed in Group II.
| Group I |
Group II |
| P. Magnetic particle inspection |
1. Surface crack in martensitic stainless steels |
| Q. X-ray radiography |
2. Surface crack in austenitic stainless steels |
| R. Dye penetrant test |
3. Hairline crack in aluminium |
| S. Ultrasonic testing |
4. Inclusion in steels |
Answer & Solution
Correct Answer:
Option
D
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