The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon

The width of the flange of a T-beam, which may be considered to act effectively with the rib
depends upon

(A) Breadth of the rib

(B) Overall thickness of the rib

(C) Centre to centre distance between T-beams

(D) All the above

The correct Answer Is
(D) All the above