The estimation based on compatibility of the strain of prestressed concrete involves ______

If the force acts at the lower kern point then the bottom fibers of the beam are subjected to ______

The section modulus z, of designing a rectangular prestressed concrete beam is given as ______

If the concrete in tension zone get cracks will lead to development of ______

The over reinforced section fails due to sudden crushing of ______

Due to excess elongation of steel, the neutral axis near the compression face gets ______

The distribution of concrete in the strain compatibility method is?

Which one of the following are other modes of failure?