Answer Posted / suman kumar

1. In impulse turbine it is not essential that the wheel should run full. Moreover, there should be free access of air between the vanes and the wheel where as it is essential that the wheel should always run full and kept full of water in reaction turbine. 2. It is possible to regulate the flow of water without loss in impulse turbine but in reaction turbine it is not possible to regulate the flow without loss 3.In impulse turbine the entire water energy is first converted in kinetic energy but there is no energy conversion in reaction turbine.

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