SSC JE Civil Engineering 2012 Solved Paper

Question : 194 of 200

Marks: +1, -0

A rectangular plate 1.25 m × 2.4 m is immersed in a liquid of relative density 0.85 with its 1.25 m side horizontal and just at the water surface. If the plane of the plate makes an angle of 60° with the horizontal, the pressure force on one side of the plate of

30.6 kN
26.0 kN
15.0 kN
30.0 kN

Validate

Solution:

Pressure force (F) = WAX, where X =

Z/2

And Z = 2.4 sin 60
F = 0.85 × 9.81 × (1.25 × 2.4) × (2.4 sin 60/2)
= 25.99 or 26 KN

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