If modular ratio is ‘m’ effective depth is D and stress ratio if � – McqOptions

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1.	If modular ratio is ‘m’ effective depth is D and stress ratio if ‘r’ \(\left( {r = \frac{{{\sigma _{st}}}}{{{\sigma _{cbc}}}}} \right)\) the depth of neutral axis of a balanced section is
A.	\(\left( {\frac{m}{{m - r}}} \right) \times D\)
B.	\(\left( {\frac{m}{{m + r}}} \right)D\)
C.	\(\left( {\frac{{m + r}}{m}} \right) \times D\)
D.	\(\frac{m}{r} \times D\)
Answer» C. \(\left( {\frac{{m + r}}{m}} \right) \times D\)

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