The impulse turbine is used for:
- Low heads
- Medium heads
- High heads
- All of these
Correct answer: 3. High heads
An impulse turbine is used for high head hydroelectric power plants.
An impulse turbine is a turbine that is driven by high-velocity jets of water. It is named as impulse turbine for the fact being that the resulting impulse from high velocity jets are used to spins the turbines.