Which of the following is a disadvantage of Freyssinet system?

In Gifford-Udall system, the number of methods for prestressing members is?

The chemical pre stressing is also called as _______

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

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

In which place thermo electric pre stressing found to be more economical?

In Gifford-Udall system, which method involves prestressing by H.T type tendon?

The hydraulic jacks are the simplest and most widely used devices for providing prestress of _______