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

The drawback of Lee-McCall system is it cannot use _______

Which of the following is a disadvantage of Freyssinet system?

The tensile stresses developed in steel by the expansion of concrete are about _______

In thermo electric pre stressing, heating the bars is done to a temperature of _______

The method of tensioning Magnel-Balton system involves _______

The bond of prestressing wires in Hoyer’s system can be formed by _______

The Freyssinet system of post tensioning anchorages was developed in _______