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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The force present in a moving liquid is

Viscous force
Inertia force
All of these
Gravity force

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Hydraulics and Fluid Mechanics in ME
A large Reynold number is indication of

Laminar flow
Smooth and streamline flow
Highly turbulent flow
Steady flow

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Hydraulics and Fluid Mechanics in ME
The power produced by the reaction turbine is ________ to the head of water.

4th power
Directly proportional
None of these
Inversely proportional

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Hydraulics and Fluid Mechanics in ME
Newton’s law of viscosity relates

shear stress, viscosity and temperature
intensity of pressure and rate of angular deformation
shear stress and rate of angular deformation
viscosity and rate of angular deformation

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Hydraulics and Fluid Mechanics in ME
The Newton's law of resistance is based on the assumption that the

All of these
Fluid particles do not exert any influence on one another
Planes of the body are completely smooth
Space around the body is completely filled with the fluid

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Hydraulics and Fluid Mechanics in ME
The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid)

32μvl/wd²
16μvl/wd²
8μvl/wd²
4μvl/wd²

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