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Hydraulics and Fluid Mechanics in ME

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

Reciprocating pump
Centrifugal pump
Jet pump
Air lift pump

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Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity

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

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Hydraulics and Fluid Mechanics in ME
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by

dQ/Q = 5/2 × (dH/H)
dQ/Q = 3/2 × (dH/H)
dQ/Q = 2 × (dH/H)
dQ/Q = 3 × (dH/H)

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Hydraulics and Fluid Mechanics in ME
During the opening of a valve in a pipe line, the flow is

Laminar
Unsteady
Uniform
Steady

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Hydraulics and Fluid Mechanics in ME
A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is

33.3 kN
None of these
3.53 kN
35.3 kN

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Hydraulics and Fluid Mechanics in ME
The Fourneyron turbine is _________ reaction turbine.

An inward flow
An outward flow
A mixed flow
An axial flow

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