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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is

8.29 kN
2.89 kN
9.28 kN
28.9 kN

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Hydraulics and Fluid Mechanics in ME
According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)

A1/2 × M2/3 × m × i
A2/3 × M1/3 × m × i
A × M × m1/2 × i2/3
A × M × m2/3 × i1/2

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

Reciprocating pump
Centrifugal pump
Air lift pump
Jet pump

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Hydraulics and Fluid Mechanics in ME
Center of buoyancy is the

centroid of the displaced volume of fluid
does not exist
e.g. of floating body
center of pressure of displaced volume

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Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity

is large when fluid is more compressible
increases with pressure
has the dimensions of 1/pressure
is independent of pressure and viscosity

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a curve, is called

Three-dimensional flow
Four-dimensional flow
Two-dimensional flow
One-dimensional flow

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