GATE Exam Questions - Engineering

Q1:

In a reinforced concrete beam-column, the increase in the flexural strength along with the increase in the axial strength occurs

A beyond the elastic limit of the material

B when the yield of the tension reinforcement governs the strength

C when the crushing of the concrete in the compression zone governs the strength

D never

ANS:B - when the yield of the tension reinforcement governs the strength

How? Give the explanation.