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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following is the unit of kinematic viscosity

faraday
pascal
stoke
poise

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Hydraulics and Fluid Mechanics in ME
Dimensions of surface tension are

ML°T⁻²
ML²T²
ML r²
ML°T

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Hydraulics and Fluid Mechanics in ME
The impeller of a centrifugal pump may have

Any one of these
Volute casing with guide blades
Volute casing
Vortex casing

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Hydraulics and Fluid Mechanics in ME
The speed of a pressure wave through a pipe depends upon

the viscosity of fluid
the original head
the bulk modulus for the fluid
the length of pipe

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Hydraulics and Fluid Mechanics in ME
According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions)

(2/3) × Cd (L - nH) × √(2gh)
(2/3) × Cd (L - 0.1nH) × √(2g) × H3/2
(2/3) × Cd (L - nH) × √(2g) × H5/2
(2/3) × Cd (L - nH) × √(2g) × H²

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Hydraulics and Fluid Mechanics in ME
The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency.

Overall
Mechanical
None of these
Hydraulic

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