Correct option is C
| Turbine |
Speed ratio |
| Pelton |
0.4-0.5 |
| Francis |
0.6-0.9 |
| Kaplan & Propeller |
1.8-2.5 |
| Turbine |
Speed ratio |
| Pelton |
0.4-0.5 |
| Francis |
0.6-0.9 |
| Kaplan & Propeller |
1.8-2.5 |