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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the viscous force is called

Froude's number
Euler's number
Weber's number
Reynold's number

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Hydraulics and Fluid Mechanics in ME
Which of the following manometer has highest sensitivity

micro-manometer with water
U-tube with mercury
inclined U-tube
U-tube with water

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Hydraulics and Fluid Mechanics in ME
A structure used to dam up a stream or river over which the water flows is called

Orifice
Weir
Notch
Dam

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is suitable for small discharge and high heads?

Reciprocating pump
Axial flow pump
Mixed flow pump
Centrifugal pump

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Hydraulics and Fluid Mechanics in ME
The velocity at which the flow changes from laminar flow to turbulent flow is called

Super-sonic velocity
Velocity of approach
Sub-sonic velocity
Critical velocity

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Hydraulics and Fluid Mechanics in ME
The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is

ρ ω2 r2/4
2ρ ω2 r2
ρ ω2 r2/2
ρ ω2 r2

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