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Hydraulics - Engineering

Q1:

Time of emptying liquid from a hemispherical vessel through an orifice at its bottom, is

A

B

C

D

ANS:D -

R^2/3 is okay but when the radius of the Hemi vessel and depth H is given at that time, in formula R^3/2-R^5/2 is used instead of R^3/2.