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Theory of Structures - Engineering

Q1:

For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is

A 0.303

B 0.404

C 0.505

D 0.606

E 0.707

ANS:E - 0.707

B=d/√3 & D=d/√{2/3},

So, B/D=1/√2=0.707.