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GATE Exam Questions - Engineering

Q1:

The basic assumption of plane sections normal to the neutral axis before bending, remaining plane and normal to the neutral axis after bending, leads to :

A uniform strain over the beam cross section

B uniform stress over the cross section

C linearly varying strain over the cross section

D stresses which are proportional to strains at all cross sections

ANS:A - uniform strain over the beam cross section

Right answer is C.