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
Answer» B. 13.95mm
Explanation: 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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