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If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus of rigidity of 0.8 kgf/cm2 then what will be the approximate value of the Poissons ratio?
  • a)
    0.26
  • b)
    0.31
  • c)
    0.47
  • d)
    0.43
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus...
On using E = 2G(1 + μ) we can put the values of E and G to get the Poissons value.
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Most Upvoted Answer
If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus...
Modulus of Elasticity and Modulus of Rigidity:
- Modulus of Elasticity (E) = 2.1 kgf/cm2
- Modulus of Rigidity (G) = 0.8 kgf/cm2

Formula for Poisson's Ratio:
Poisson's Ratio (ν) = (3E - 2G) / (2E + 2G)

Calculation:
- Substitute the given values into the formula:
ν = (3 * 2.1 - 2 * 0.8) / (2 * 2.1 + 2 * 0.8)
ν = (6.3 - 1.6) / (4.2 + 1.6)
ν = 4.7 / 5.8
ν ≈ 0.31
Therefore, the approximate value of Poisson's ratio is 0.31, which corresponds to option 'B'.
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If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus of rigidity of 0.8 kgf/cm2 then what will be the approximate value of the Poissons ratio?a)0.26b)0.31c)0.47d)0.43Correct answer is option 'B'. Can you explain this answer?
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If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus of rigidity of 0.8 kgf/cm2 then what will be the approximate value of the Poissons ratio?a)0.26b)0.31c)0.47d)0.43Correct answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus of rigidity of 0.8 kgf/cm2 then what will be the approximate value of the Poissons ratio?a)0.26b)0.31c)0.47d)0.43Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus of rigidity of 0.8 kgf/cm2 then what will be the approximate value of the Poissons ratio?a)0.26b)0.31c)0.47d)0.43Correct answer is option 'B'. Can you explain this answer?.
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