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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

7.141 H5/2
4.171 H5/2
0.417 H5/2
1.417 H5/2

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

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that varies from point to point in magnitude and direction as well as from instant to instant, is known as

One dimensional flow
Turbulent flow
Uniform flow
Steady flow

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Hydraulics and Fluid Mechanics in ME
The pressure measured with the help of a Piezometer tube is in

N/m2
N/mm2
All of these
Head of liquid

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Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Orifice meter
Pitot tube
Venturimeter
All of the listed here

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Hydraulics and Fluid Mechanics in ME
Working principle of dead weight pressure gauge tester is based on

Newton’s law of viscosity
Dalton’s law of partial pressure
Avogadro’s hypothesis
Pascal’s law

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