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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A nozzle placed at the end of a water pipe line discharges water at a

High velocity
High pressure
Low velocity
Low pressure

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Hydraulics and Fluid Mechanics in ME
The power transmitted through the pipe is maximum when the head lost due to friction is equal to

One-fourth of the total supply head
Two-third of the total supply head
One-half of the total supply head
One-third of the total supply head

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Hydraulics and Fluid Mechanics in ME
The point at which the resultant pressure on an immersed surface acts, is known as

Centre of immersed surface
Centre of pressure
Centre of gravity
Centre of depth

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Hydraulics and Fluid Mechanics in ME
In a static fluid

Linear deformation is small
Only normal stresses can exist
Fluid pressure is zero
Resistance to shear stress is small

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Hydraulics and Fluid Mechanics in ME
Which of the following is an example of laminar flow?

Flow of oil in measuring instruments
All of these
Flow past tiny bodies
Underground flow

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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

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

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