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Select the incorrect statement :

  • A. The loss of prestress is more in pretensioning system than in posttensioning system
  • B. Pretensioning syatem has greater certainty about its durability
  • C. For heavy loads and large spans in building or bridges, post -tensioning system is cheaper than pretensioning system
  • D. none of these

Right Answer is :
D. none of these
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