The method of tensioning Magnel-Balton system involves _______

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

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

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

The Freyssinet system of prestressing involves the arrangement of wires of number?

Which system of prestressing is widely used in India?

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

In post tensioning, the concrete units are cast by _______