General Studies · Strength of Materials
A cantilever beam of rectangular cross-section (depth 'd', width 'b', and length 'L') is subjected to a concentrated shear force 'F' at its free end. If the beam material follows the maximum shear stress theory, which of the following statements is TRUE?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The bending stress developed in the beam is independent of 'b'.
- 2For L > d2, the bending stress decides the failure of the beam.✓
- 3The maximum shear stress in the section and the maximum bending stress in the beam are equal when L = d2.
- 4The beam section has a uniform shear stress of Fbd.
Correct answer
For L > d2, the bending stress decides the failure of the beam.
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