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

[Srinivasan]

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
(A) 37 cm
(B) 38 cm
(C) 39 cm
(D) 40 cm
Answer: Option D
Question No.