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HYDRAULICS AND FLUID MECHANICS IN ME

Hydraulics and Fluid Mechanics in ME
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

Submerged weir
Ogee weir
Broad-crested weir
Narrow-crested weir

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Hydraulics and Fluid Mechanics in ME
The total pressure on the top of a closed cylindrical vessel completely filled up with a liquid is

Inversely proportional to (radius)4
Directly proportional to (radius)2
Inversely proportional to (radius)2
Directly proportional to (radius)4

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

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

Have identical velocities
Are identical in shape, but differ only in size
None of these
Are equal in size and shape

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

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

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