Moderate

For Parson's reaction steam turbine, degree of reaction is____________?

Correct answer: C. 50%

A. 75%
B. 100%
C. 50%
D. 60%

Explanation

In a Parsons turbine, the enthalpy drop is divided equally between the fixed and moving blades. Since the degree of reaction is the fraction occurring in the rotor, it is 0.5 or 50%.

Last updated 16 September 2026

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For Parson's reaction steam turbine, degree of reaction is____________?

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