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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The total energy line lies over the centre line of the pipe by an amount equal to

Velocity head
Pressure head
Pressure head + velocity head
Pressure head - velocity head

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Hydraulics and Fluid Mechanics in ME
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be

wh
w/h
h
h/w

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Hydraulics and Fluid Mechanics in ME
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.

Plus
Divide
Minus
None of these

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Hydraulics and Fluid Mechanics in ME
A flow in which the viscosity of fluid is dominating over the inertia force is called

Turbulent flow
Unsteady flow
Steady flow
Laminar flow

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Hydraulics and Fluid Mechanics in ME
If no resistance is encountered by displacement, such a substance is known as

Ideal fluid
Gas
Fluid
Water

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Hydraulics and Fluid Mechanics in ME
In an isothermal atmosphere, the pressure

varies in the same way as the density
remains constant
decreases linearly with elevation
increases exponentially with elevation

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