During an RRB JE solution review on Neutral Axis, what is the safest statement about bending of a homogeneous symmetric section? Avoid the common trap that the neutral axis is always at the top fibre.
Choose the correct answer
the neutral axis is always at the top fibre
the neutral axis coincides with the shear centre in every section
the neutral axis passes through the centroid for pure bending
the neutral axis depends only on span
Correct Answer
C. the neutral axis passes through the centroid for pure bending
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For homogeneous sections under pure bending, the neutral axis passes through the centroid. Correct option: C.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.