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HYDRAULICS AND FLUID MECHANICS IN ME

Hydraulics and Fluid Mechanics in ME
The maximum discharge over a broad crested weir is

1.71 Cd × L × H1/2
1.71 Cd × L × H3/2
0.384 Cd × L × H1/2
0.384 Cd × L × H3/2

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the liquid enters the pump

At the bottom
From sides
At the canter
At the top

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the __________ is called Euler's number.

Elastic force
Surface tension force
Viscous force
Pressure force

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid is the ratio of

Critical velocity to the viscosity of fluid
Increase in pressure to the volumetric strain
Increase in volume to the viscosity of fluid
Shear stress to shear strain

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Hydraulics and Fluid Mechanics in ME
The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is

Slow speed pump with radial flow at outlet
High speed pump with radial flow at outlet
Medium speed pump with radial flow at outlet
High speed pump with axial flow at outlet

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