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1. |
A hydraulic turbine develops 8000 kW when running at 300 rpm under a head of 45 m. the speed of the same turbine under a head of 60 m is |
A. | 224.4 rpm |
B. | 346.4 rpm |
C. | 424.8 rpm |
D. | 485.8 rpm |
Answer» B. 346.4 rpm | |