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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

work
length
mass
energy

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Hydraulics and Fluid Mechanics in ME
The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

Two-third
One-half
One-third
None of these

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Hydraulics and Fluid Mechanics in ME
The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is

d > m > e
d > e > m
e > m > d
e > d > m

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Hydraulics and Fluid Mechanics in ME
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

turbulent flow
uniform f^w
steady flow
one dimensional flow

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

steady flow
non-uniform flow
laminar flow
turbulent flow

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Hydraulics and Fluid Mechanics in ME
The velocity of the liquid flowing through the divergent portion of a Venturimeter

Remains constant
Increases
Decreases
Depends upon mass of liquid

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