The width of the rib of a T-beam, is generally kept between
A
$$\frac{1}{7}$$ to $$\frac{1}{3}$$ of rib depth
B
$$\frac{1}{3}$$ to $$\frac{1}{2}$$ of rib depth
C
$$\frac{1}{2}$$ to $$\frac{3}{4}$$ of rib depth
D
$$\frac{1}{3}$$ to $$\frac{2}{3}$$ of rib depth
Correct Answer: $$\frac{1}{3}$$ to $$\frac{2}{3}$$ of rib depth
