SSC JE Civil Engineering 2018 Set 1 Solved Paper

Question : 138 of 200

Marks: +1, -0

A longitudinal rectangular surface is hanged into the water such that its top and bottom points are at depth of 1.5 m and 6.0 m respectively. The depth of center of pressure (m) from the top surface is ______.

Validate

Solution:

\hcp= x ↖{-}+{Ia}/{Ax ↖{-}}

\hcp =3.75+{bd^2}/{12×bd×3.75}

\hcp =3.75+ 4.5^2/{12× 3.75}

\hcp = 4.2\m

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