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Two beams of equal cross-sectional area are subjected to equal bending moment. If one beam has square cross-section and the other has circular section, then

[A].	Both beams will be equally strong	[B].	Circular section beam will be economical
[C].	Square section beam will be economical	[D].	The suitability of section will depend on the nature of loading
[E].	In shear, square section beam will be stronger

Answer: Option C

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