The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as_____________?
Correct answer: C. The proportional limit
- A. The elastic limit
- B. The yield strength
- C. The proportional limit
- D. Modulus of elasticity
Explanation
The proportional limit is the greatest stress at which stress remains directly proportional to strain, giving a straight-line portion of the stress-strain curve. The elastic limit is related but is defined by recovery without permanent deformation, not strict proportionality.
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