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GATE Exam Questions - Engineering

Q1:

The permissible bending tensile stress in concrete for the vertical wall of an R.C. water tank made of M 25 concrete is :

A 8.5 N/mm2

B 6.0 N/mm3

C 2.5 N/mm2

D 1.8 N/mm2

ANS:D - 1.8 N/mm2

I working stress Method Permissible bending Tensile stress = fck/factor of safety = 25/14.