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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Newtonian
Non-Newtonian
Real
Ideal

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Hydraulics and Fluid Mechanics in ME
The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe)

d = (D⁵/8fl)1/3
d = (D⁵/8fl)1/5
d = (D⁵/8fl)1/4
d = (D⁵/8fl)1/2

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Hydraulics and Fluid Mechanics in ME
The jet ratio is defined as the ratio of the

Diameter of jet to the diameter of Pelton wheel
Velocity of Pelton wheel to the velocity of jet
Diameter of Pelton wheel to the diameter of jet
Velocity of jet to the velocity of Pelton wheel

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Hydraulics and Fluid Mechanics in ME
The velocity of jet of water traveling out of opening in a tank filled with water is proportional to

h/2
Head of water (h)
V/T
h²

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Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

ay nay point between inlet and outlet
at the inlet
at the outlet
at the summit

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel is

Tangential flow impulse turbine
Inward flow impulse turbine
Inward flow reaction turbine
Outward flow impulse turbine

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