The basic chemical substance used for pre stressing forces in concrete member is _______

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

The estimation of the current, voltage and power requirements of the transformer are for _______

The use of bar tendons with threaded anchorages reduces the possibility of _______

The method of pre stressing by heated tendons, achieved by passing an electric current is known as _______

In Lee-McCall system, the prestressing tendons are in the form of _______

The Freyssinet system of post tensioning anchorages was developed in _______

The long span decks are fabricated by _______