18350. The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) September 14, 2025 by Admin [A]. ηS = ηB x ηN [B]. ηS = ηB/ηN [C]. ηS = ηN/ηB [D]. none of these ✅ The correct answer is option A.
