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Q: If 'P' is the tensile stress in a rectangular bar of length 'L', width 'b' and thickness 'd', the volumetric strain is given as:
  • A. P(1+2μ)/E
  • B. PL(1-2μ)/bd
  • C. P(1-2μ)
  • D. P(1-2μ)/E
Correct Answer: Option D -
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Explanations:

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