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A ductile metal bar is subjected to pure shear test and its yield strength was found to be 230 
the maximum permissible shear stress on that metal will be:
the maximum permissible shear stress on that metal will be: - a)115
- b)126
- c)131
- d)139
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A ductile metal bar is subjected to pure shear test and its yield stre...
When ductile metal bar is subjected to pure shear test, maximum permissible shear stress is 115
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A ductile metal bar is subjected to pure shear test and its yield stre...
Understanding Yield Strength in Shear
When a ductile metal bar is subjected to a pure shear test, the yield strength indicates the maximum stress that the material can withstand before permanent deformation occurs. In this case, the yield strength is given as 230 N/mm².
Maximum Permissible Shear Stress
The maximum permissible shear stress (τ_max) can be derived from the yield strength (σ_y) using the relationship between shear and tensile stresses. For ductile materials, a common approximation is:
- τ_max = σ_y / 2
Calculation
Given σ_y = 230 N/mm², the calculation for τ_max is as follows:
- τ_max = 230 N/mm² / 2
- τ_max = 115 N/mm²
Conclusion
Thus, the maximum permissible shear stress on the ductile metal bar is:
- 115 N/mm²
This indicates that the material can safely endure shear stresses up to this limit without undergoing yielding.
Correct Answer
The correct option is:
- a) 115 N/mm²
This result is crucial in engineering design, ensuring safety and integrity when selecting materials for applications subjected to shear forces.
When a ductile metal bar is subjected to a pure shear test, the yield strength indicates the maximum stress that the material can withstand before permanent deformation occurs. In this case, the yield strength is given as 230 N/mm².
Maximum Permissible Shear Stress
The maximum permissible shear stress (τ_max) can be derived from the yield strength (σ_y) using the relationship between shear and tensile stresses. For ductile materials, a common approximation is:
- τ_max = σ_y / 2
Calculation
Given σ_y = 230 N/mm², the calculation for τ_max is as follows:
- τ_max = 230 N/mm² / 2
- τ_max = 115 N/mm²
Conclusion
Thus, the maximum permissible shear stress on the ductile metal bar is:
- 115 N/mm²
This indicates that the material can safely endure shear stresses up to this limit without undergoing yielding.
Correct Answer
The correct option is:
- a) 115 N/mm²
This result is crucial in engineering design, ensuring safety and integrity when selecting materials for applications subjected to shear forces.
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A ductile metal bar is subjected to pure shear test and its yield strength was found to be 230 the maximum permissible shear stress on that metal will be: a)115 b)126 c)131 d)139 Correct answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A ductile metal bar is subjected to pure shear test and its yield strength was found to be 230 the maximum permissible shear stress on that metal will be: a)115 b)126 c)131 d)139 Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ductile metal bar is subjected to pure shear test and its yield strength was found to be 230 the maximum permissible shear stress on that metal will be: a)115 b)126 c)131 d)139 Correct answer is option 'A'. Can you explain this answer?.
A ductile metal bar is subjected to pure shear test and its yield strength was found to be 230 the maximum permissible shear stress on that metal will be: a)115 b)126 c)131 d)139 Correct answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A ductile metal bar is subjected to pure shear test and its yield strength was found to be 230 the maximum permissible shear stress on that metal will be: a)115 b)126 c)131 d)139 Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ductile metal bar is subjected to pure shear test and its yield strength was found to be 230 the maximum permissible shear stress on that metal will be: a)115 b)126 c)131 d)139 Correct answer is option 'A'. Can you explain this answer?.
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