SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Fluid Mechanics Turbomachinery Impulse Turbine
The maximum hydraulic efficiency for a Pelton turbine with exit angle φ is given by:
1
\(\left(\frac{1+cos\phi}{2}\right)\)
2
\(\left(1-\frac{cos\phi}{2}\right)\)
3
\(\left(1+\frac{cos\phi}{2}\right)\)
4
\(\left(\frac{1-cos\phi}{2}\right)\)