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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be

1000 kg
4000 kg
2000 kg
8000 kg

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Hydraulics and Fluid Mechanics in ME
The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is

π w ω² r⁴/4g
π w ω² r²/2g
π w ω² r³/4g
π w ω² r²/4g

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Hydraulics and Fluid Mechanics in ME
A turbine pump is basically a centrifugal pump equipped additionally with

Vaned diffusion casing
Adjustable blades
Backward curved blades
Inlet guide blades

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Hydraulics and Fluid Mechanics in ME
The fluid forces considered in the Navier Stokes equation are

gravity, pressure and turbulent
pressure, viscous and turbulent
gravity, pressure and viscous
gravity, viscous and turbulent

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump casing, the flow of water leaving the

Radial
Centrifugal
Axial
Vortex

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Hydraulics and Fluid Mechanics in ME
When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is

L
L/2
L/3
L/4

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