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Q: The ratio of increase in length to the original length is known as:
  • A. Compressive strain
  • B. Tensile strain
  • C. Tensile stress
  • D. Compressive stress
Correct Answer: Option B - Tensile strain– The ratio of extension in length to its original length is called tensile strain. Compressive strain– The ratio of contraction in length to its original length is called compressive strain.
B. Tensile strain– The ratio of extension in length to its original length is called tensile strain. Compressive strain– The ratio of contraction in length to its original length is called compressive strain.

Explanations:

Tensile strain– The ratio of extension in length to its original length is called tensile strain. Compressive strain– The ratio of contraction in length to its original length is called compressive strain.