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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is equal to

dynamic viscosity/density
dynamicviscosity x density
1/dynamicviscosity x density
density/dynamic viscosity

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

turbulent flow
steady flow
laminar flow
non-uniform flow

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Hydraulics and Fluid Mechanics in ME
Which of the following statement is correct as regard to water wheels?

They give constant efficiency, even if the discharge is not constant
All of these
They are suitable even for low water heads
They have slow speeds

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Hydraulics and Fluid Mechanics in ME
Kinematic similarity is said to exist between the model and the prototype, if both of them

Have identical forces
Have identical velocities
Are identical in shape, but differ only in size
Are equal in size and shape

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Hydraulics and Fluid Mechanics in ME
In one dimensional flow, the flow

Is steady and uniform
Takes place in curve
Takes place in one direction
Takes place in straight line

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Hydraulics and Fluid Mechanics in ME
In a free nappe,

The pressure above the nappe is negative
The pressure below the nappe is atmospheric
The pressure above the nappe is atmospheric
The pressure below the nappe is negative

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