Answer Posted / pragnesh

The main difference between reaction and impulse turbine is
that reaction turbine operates on newtons third law of
motion that is when steam leaves the rotor blades at an
angle the turbine is pushed towards opposite direction and
to a certain extent static pressure impulse is also
utilised for the movement.
Where as in impulse turbine only kinetic head of steam is
responsible for movemement of turbine.that is movement of
turbine takes place in direction of impact and not opposite
to the impact as was the case with reaction turbines.

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