SSC JE Civil Engineering 2013 Solved Paper

Question : 164 of 200

Marks: +1, -0

Of the several prismatic beams of equal lengths and of same material, the beam that can carry maximum load in flexure is the one having maximum

Depth of section
Area of cross-section
Section modulus
Moment of inertia

Validate

Solution:

Maximum moment of a beam

= M_\max= σ Z

, where Z is section modulus.
Hence for maximum carrying capacity of a beam subjected to load is depend on section modulus as stress is constant for each material.

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