Differences between impulse and reaction turbine

IMPLUSE TURBINEREACTION TURBINE
The potential energy of water
is completely converted to kinetic energy while striking.
The potential energy of water is partially
converted to kinetic energy while striking.
The pressure of jet striking is atmospheric.The pressure of jet striking is less than atmospheric
It is not connected directly with pipe.It is connected directly with pipe.
Ex: Pelton wheel turbineEx: Francis Turbine
Draft tube is not required.Draft tube is required in tailrace.

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