Direction: A simply supported beam of span length 6 m and 75 mm diameter carries a uniformly distributed load of 1.5 kN/m.
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What is the maximum value of bending stress?
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- 162.98 MPa
- 325.95 MPa
- 625.95 MPa
- 651.90 MPa
Correct Option: A
Bending stress = (Maximum load × distance)
| σb = | ||
| Section modulus |
| σb = | = 211.26 MPa | |
| π/32 × (0.075)³ |
Hence closest option is 162.98 MPa
