The long span decks are fabricated by _______

Hoyer’s system of pretensioning can be done for beams.

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 applied force should be measured accurately in hydraulic devices while?

The Hoyer’s method of prestressing is done by _______

The concrete dams are constructed using which?

The chemical pre stressing is also called as _______