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

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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.	fbc = (M/Ixx) × y
B.	fbc = (Ixx/M) × y
C.	fbc = (Ixx/M) + y
D.	fbc = (M/Ixx) + y
Answer» B. fbc = (Ixx/M) × y

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