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UPSC Civil Service Exam Questions - Engineering

Q1:

For the retaining wall shown in the given figure, if the stress at the heel is zero, then the maximum storage 'H' will be specific gravity of the material of the wall = 2.25

A 7.5 m

B 5 m

C 4 m

D 3 m

ANS:A - 7.5 m

Here, 1/2 yH^2= 1/3 YBH.