In a built up beam actual bending compressive stress fbc is given by (when y1 is the distance of the edge of the beam from the neutral axis).

In a built up beam actual bending compressive stress fbc is given by (

1.	In a built up beam actual bending compressive stress fbc is given by (when y1 is the distance of the edge of the beam from the neutral axis).
A.	<img src="/_files/images/civil-engineering/steel-structure-design/104-14-146-1.png">
B.	<img src="/_files/images/civil-engineering/steel-structure-design/104-14-146-2.png">
C.	<img src="/_files/images/civil-engineering/steel-structure-design/104-14-146-3.png">
D.	<img src="/_files/images/civil-engineering/steel-structure-design/104-14-146-4.png">
E.	<img src="/_files/images/civil-engineering/steel-structure-design/104-14-146-4.png">
Answer» B. <img src="/_files/images/civil-engineering/steel-structure-design/104-14-146-2.png">