Physics · Fluid Machinery
The maximum hydraulic efficiency of a Pelton wheel, where the hydraulic efficiency is given by η = 2(Vw1 + Vw2) × u / V12, is expressed using standard notations as:
- 1(1 + cos φ) / 2✓
- 2(1 - cos φ) / 2
- 3(1 + cos φ)
- 4(1 - cos φ)
Correct answer
(1 + cos φ) / 2
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