Civil Engineering MCQAE Level Civil Engineering
An element: σx=40, σy=−20, τxy=30 N/mm². Maximum shear stress:
Strength of MaterialsMax Shear Stress CalculationMEDIUM
Choose the correct answer
A
30 N/mm²
B
37.7 N/mm²
C
42.4 N/mm²
D
60 N/mm²
Correct Answer
C. 42.4 N/mm²
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τmax=√[((40+20)/2)²+30²]=√[900+900]=30√2=42.4 N/mm²
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