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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of

An ellipse
A paraboloid
A triangle
None of these

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

Three
One
Four
Two

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Hydraulics and Fluid Mechanics in ME
The Bernoulli's equation is based on the assumption that

There is no loss of energy of the liquid flowing
All of these
The velocity of flow is uniform across any cross-section of the pipe
No force except gravity acts on the fluid

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Hydraulics and Fluid Mechanics in ME
According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to

0.003 + (H/0.405)
0.003 + (0.405/H)
0.405 + (0.003/H)
0.405 + (H/0.003)

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Hydraulics and Fluid Mechanics in ME
The depth ā€˜d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)

0.223 D
0.577 D
0.707 D
0.423 D

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is dependent upon

Pressure
Flow
Distance
Density

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