Concrete Technology and Design of Concrete Structures
Select the correct statement for

Elastic modulus of high tensile steel is more than that of mild steel
High tensile steel is cheaper than mild steel
Carbon percentage in high carbon steel is less than that in mild steel
Elastic modulus of high tensile steel is nearly the same as that of mild steel

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Concrete Technology and Design of Concrete Structures
Select the incorrect statement...

Pretensioning system has greater certainty about its durability.
None of these
The loss of prestress is more in pre-tensioning system than in post-tensioning system.
For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system

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