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UPSC Civil Service Exam Questions - Engineering

Q1:

An isosceles triangular plate of base 3 m and altitude 3 m is immersed vertically in an oil of specific gravity 0.8. The base of the plate coincides with the free surface of oil. The centre of pressure will lie at a distance of (from free surface)

A 2.5 m

B 2 m

C 1.5 m

D 1 m

ANS:C - 1.5 m

Here, hcp = h/2 = 3/2 = 1.5.