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Match the defects given in Group I with the suitable non-destructive...

This question belongs to Metallurgical Engineering Metallurgical Testing And Inspection
Metallurgical Testing and Inspection
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Match the defects given in Group I with the suitable non-destructive evaluation technique from Group II.
Group I Group II
P. Crack in a flat aluminium slab 1. Radiography
Q. Sub-surface porosity in a bronze casting 2. Eddy current technique
R. Surface cracks in a steel tool 3. Ultrasonic technique
S. Internal porosity in a ceramic block 4. Magnetic particle technique

Answer & Solution
Correct Answer: Option D
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