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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be

w/h
h
wh
h/w

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Hydraulics and Fluid Mechanics in ME
The total energy line lies over the centre line of the pipe by an amount equal to

Velocity head
Pressure head + velocity head
Pressure head
Pressure head - velocity head

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Hydraulics and Fluid Mechanics in ME
The flow in which conditions do not change with time at any point, is known as

uniform flow
steady flow
one dimensional flow
turbulent flow

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Hydraulics and Fluid Mechanics in ME
When the flow in an open channel is gradually varied, the flow is said to be

Unsteady uniform flow
Steady non-uniform flow
Steady uniform flow
Unsteady non-uniform flow

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Hydraulics and Fluid Mechanics in ME
The specific speed (Ns) of a centrifugal pump is given by

(N√Q)/H3/4
(N√Q)/H2/3
(N√Q)/H
(N√Q)/H5/4

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Hydraulics and Fluid Mechanics in ME
The flow ratio in case of Francis turbine varies from

0.4 to 0.5
0.15 to 0.3
0.6 to 0.9
1 to 1.5

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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