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Q: Which of the following is unfavourable for economic bridge construction?
  • A. Inexpensive labour and ample construction material is available near the proposed bridge site.
  • B. The river width is narrow. The current velocity is small. The river has mild gradient
  • C. The rock foundation is available at 40 m depth from the ground surface.
  • D. The existing road passes very near to the proposed bridge site.
Correct Answer: Option C - Favourable condition for economic bridge construction are– • Inexpensive labour and ample construction material is available near the proposed bridge site. • The river width is narrow. The current velocity is small. The river has mild gradient. • The existing road passes very near to the proposed bridge site.
C. Favourable condition for economic bridge construction are– • Inexpensive labour and ample construction material is available near the proposed bridge site. • The river width is narrow. The current velocity is small. The river has mild gradient. • The existing road passes very near to the proposed bridge site.

Explanations:

Favourable condition for economic bridge construction are– • Inexpensive labour and ample construction material is available near the proposed bridge site. • The river width is narrow. The current velocity is small. The river has mild gradient. • The existing road passes very near to the proposed bridge site.