The Freyssinet system of post tensioning anchorages was developed in _______

The period of cooling in thermo electric pre stressing is observed as _______

The cables are formed by arrangement of wires or strands in _______

How many types of splicing arrangement are widely used in post tensioning systems?

The expansion of the concrete is restrained by _______

When the concrete attains sufficient strength, which elements are released?

The suitability of post tensioning is good for _______

The transfer of prestress of concrete is achieved by _______