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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

wh
h
h/w
w/h

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Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H5/2
Cd × a × √(2g) × H3/2
Cd × a × √(2gH)
Cd × a × √(2g) × H2

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

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

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

Steady flow
Uniform flow
Vortex flow
Turbulent flow

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Hydraulics and Fluid Mechanics in ME
A flow through a long pipe at decreasing rate is called __________ uniform flow.

Steady
Both A and B
Unsteady
None of these

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Hydraulics and Fluid Mechanics in ME
The wake

always occurs after a separation point
is a region of high pressure intensity
always occurs before a separation point
None of these

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