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UPSC Civil Service Exam Questions - Engineering

Q1:

Choose the correct statement about horizontal component of resultant hydrostatic pressure on a curved submerged surface :

A It is equal to the product of pressure at the centroid and the curved area

B It is equal to the weight of the liquid above the curved surface acting at 0.5 depth of the surface

C It is equal to the projected area of the surface on a vertical plane multiplied by the pressure at the centre of gravity of area

D It is equal to the weight of the liquid above the curved surface multiplied by the projected area on a vertical plane.

ANS:C - It is equal to the projected area of the surface on a vertical plane multiplied by the pressure at the centre of gravity of area

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