Civil Engineering MCQAE Level Civil Engineering
Absolute maximum shear stress for σ₁=80, σ₂=40, σ₃=0 N/mm²:
Strength of MaterialsAbsolute Max Shear StressMEDIUM
Choose the correct answer
A
20 N/mm²
B
30 N/mm²
C
40 N/mm²
D
80 N/mm²
Correct Answer
C. 40 N/mm²
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τabs_max=max[(σ₁−σ₂)/2,(σ₂−σ₃)/2,(σ₁−σ₃)/2]=max[20,20,40]=40 N/mm²
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