A

Admin • 833.24K Points
Coach

Q. 1816/ [7200 x 10.8184 x 50] or σ=100.6N/mm².

  • (A) 14.80mm
  • (B) 13.95mm
  • (C) 16.5mm
  • (D) 17.2mm

Explanation by: Admin

σ(b)=mh/ aer or σ(b)=1000x4dx(4d-0.2d-3.5d)/ 0.8d²x0.02dx3.5d , σ(b)=21428.6/d²

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