Diameter of jet to the diameter of Pelton wheel

Velocity of jet to the velocity of Pelton wheel

Diameter of Pelton wheel to the diameter of jet

Velocity of Pelton wheel to the velocity of jet

Girad turbine

Turgo turbine

Pelton wheel

Kaplan turbine

Two

Four

Six

Eight

Allow the water to enter the runner without shock

Allow the water to flow over them, without forming eddies

Allow the required quantity of water to enter the turbine

All of the above

To run the turbine full

To prevent air to enter the turbine

To increase the head of water by an amount equal to the height of the runner outlet above the tail race

To transport water to downstream