According to the working stress method, the modular ratio between stee – McqOptions

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1.	According to the working stress method, the modular ratio between steel and concrete is:
A.	\(\frac {280}{3\sigma cbc}\)
B.	\(\frac {280}{0.45\sigma cbc}\)
C.	\(\frac {280}{5\sigma cbc}\)
D.	\(\frac {250}{0.45\sigma cbc}\)
Answer» B. \(\frac {280}{0.45\sigma cbc}\)

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