Hydraulics and Fluid Mechanics in ME
When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

0.5 a. √2gH
√2gH
0.855 a. √2gH
0.707 a. √2gH

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface)

(Ax̅/IG) + x̅
(IG/Ax̅) + x̅
(IG/Ax̅) - x̅
(IG/x̅) - Ax̅

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
In case of flow through parallel pipes,

The head loss for all the pipes is same
Both (A) and (B)
The total discharge is equal to the sum of discharges in the various pipes
The total head loss is the sum of head losses in the various pipes

ANSWER DOWNLOAD EXAMIANS APP