What is the maximum ascending gradient of a road surface?

অন্যান্য
অন্যান্য

প্রশ্নঃ What is the maximum ascending gradient of a road surface?

  • ক. 3%
  • খ. 4%
  • গ. 5%
  • ঘ. 6%

সঠিক উত্তরঃ

4%
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