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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H3/2
Cd × a × √(2gH)
Cd × a × √(2g) × H5/2
Cd × a × √(2g) × H2

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Hydraulics and Fluid Mechanics in ME
The mercury does not wet the glass. This is due to the property of the liquid known as

Viscosity
Adhesion
Cohesion
Surface tension

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water to the turbines?

Jet pump
Air lift pump
Reciprocating pump
Centrifugal pump

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Hydraulics and Fluid Mechanics in ME
In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to

Cos θ
1/Sinθ
Sinθ
1/Cosθ

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

non-uniform flow
turbulent flow
laminar flow
steady flow

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Hydraulics and Fluid Mechanics in ME
An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be

12 kN/m2
10 kN/m2
4 kN/m2
14 kN/m2

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