2270Civil EngineeringMedium
If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is________?
A0.596 %
B0.496 %
C0.696 %
D0.796 %
Correct answer
C. 0.696 %
Explanation
The correct answer is 0.696 %.