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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Medium specific speed of turbine implies it is

Impulse turbine
Propeller turbine
Francis turbine
Any one of the above

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Hydraulics and Fluid Mechanics in ME
According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary

As square of density
Inversely as square root of density
Directly as the air or gas density
Inversely as density

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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

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends upon the

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

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Hydraulics and Fluid Mechanics in ME
Rain drops are spherical because of

air resistance
atmospheric pressure
surface tension forces
viscosity

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Hydraulics and Fluid Mechanics in ME
In order to measure the flow with a Venturimeter, it is installed in

Any direction and in any location
Inclined line with flow upwards
Horizontal line
Inclined line with flow downwards

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