Q1: The following quantities refer to a channel section used as a beam :
b = width of flange (upto centre of web thickness).
h = depth of web (c/c of flange thickness).
t = thickness of flange and web.
I = moment of inertia of channel about xx axis.
e = distance of shear centre, outside the channel from the mid thickness of the web.
The value of 'e' is given by