If permissible working stresses in steel and concrete are respectively 1400 kg/c

Question

If permissible working stresses in steel and concrete are respectively 1400 kg/cm² and 80 kg/cm² and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is

Options:

A . 37 cm

B . 38 cm

C . 39 cm

D . 40 cm

Answer: Option D

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