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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Center of pressure on an inclined plane is

At metacentre
Above the Centroid
Below the Centroid
At the Centroid

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Hydraulics and Fluid Mechanics in ME
The maximum number of jets generally employed in impulse turbine without jet interference is

12
8
4
6

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Hydraulics and Fluid Mechanics in ME
The discharge over a rectangular notch is

Directly proportional to H3/2
Inversely proportional to H5/2
Inversely proportional to H3/2
Directly proportional to H5/2

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends upon the

Pressure with which the liquid is displaced
Compressibility of the liquid
Viscosity of the liquid
Weight of the liquid displaced

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Hydraulics and Fluid Mechanics in ME
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by

dQ/Q = 5/2 × (dH/H)
dQ/Q = 2 × (dH/H)
dQ/Q = 3/2 × (dH/H)
dQ/Q = 3 × (dH/H)

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Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

2H/3
H/2
H/3
3H/4

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