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The magnitude of velocity of steam relative to moving blade in case of an impulse turbine _____

The magnitude of velocity of steam relative to moving blade in case of an impulse turbine _____ Correct Answer depending on friction present on the blades, decreases or remains constant as the steam glides over the blades

In Impulse turbines the magnitude of velocity of steam relative to the moving blade either remains contant or decreases slightly due to presence of friction on the blades. The ratio of final relative velocity of steam to initial is called the blade velocity coefficient (K).

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