Hydraulics and Fluid Mechanics in ME
If the ratio's of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have.

Kinematic similarity
None of these
Dynamic similarity
Geometric similarity

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Hydraulics and Fluid Mechanics in ME
The specific speed of turbine is defined as the speed of a unit

Of such a size that it delivers unit discharge at unit power
Of such a size that it delivers unit discharge at unit head
Of such a size that it produces unit horse power with unit head
Of such a size that it requires unit power per unit head

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