_______________ test can be termed as the semi-destructive test?
Correct answer: D. Hardness
- A. Impact
- B. Torsion
- C. Charpy
- D. Hardness
Explanation
A hardness test leaves a small permanent indentation or other local mark, so it is commonly classified as semi-destructive. Impact and torsion tests generally fracture or severely deform the test specimen.
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