Physics · Fluid Mechanics and Machinery
The specific speed (Ns) of a hydraulic turbine is given by which mathematical formula?
- 1Ns = (N × √P) / H0.67
- 2Ns = (N × √P) / H0.75
- 3Ns = (√N × P) / H1.5
- 4Ns = (N × √P) / H1.25✓
Correct answer
Ns = (N × √P) / H1.25
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