Introductory Quiz on Pre-Stressed Concrete

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Questions and Answers

What is pre-stressed concrete?

  • Reinforced concrete that builds in compressive stresses during construction (correct)
  • Concrete with no initial compression
  • Concrete with external load applied after construction
  • Concrete with only mild reinforcement

How is initial compression introduced in pre-stressed concrete?

  • By reducing the concrete curing time
  • By using additional layers of concrete
  • By increasing the concrete density
  • By using high-strength steel wire or alloys in the concrete section (correct)

What are the benefits of pre-stressing concrete?

  • Reduction in mild reinforcement (correct)
  • Lower load carrying capacity
  • Increased cracking
  • Shorter spans in single piece

What materials are used for pre-stress concrete members?

<p>Cement, concrete, steel (C)</p> Signup and view all the answers

What is the purpose of pre-stressing concrete?

<p>To enable the structure to counteract the stresses arising during its service period (A)</p> Signup and view all the answers

What is the purpose of pre-stressed concrete?

<p>To oppose compressive stresses during use (A)</p> Signup and view all the answers

What materials are used for pre-stress concrete members?

<p>Cement, concrete, steel (C)</p> Signup and view all the answers

What is the benefit of pre-stressing concrete in terms of cracks?

<p>Controlling cracks (D)</p> Signup and view all the answers

How is pre-stressed concrete made?

<p>By applying initial load on the structure (A)</p> Signup and view all the answers

What is the role of steel in pre-stressed concrete?

<p>To introduce initial compression in the concrete section (C)</p> Signup and view all the answers

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