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) Ã— y
B.	fbc = (ixx/m) Ã— y
C.	fbc = (ixx/m) + y
D.	fbc = (m/ixx) + y
Answer» B. fbc = (ixx/m) Ã— y

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