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For a Parson's reaction turbine if 1 and 2 are fixed...

This question belongs to Mechanical Engineering Steam Boilers, Engines, Nozzles And Turbines
Steam Boilers, Engines, Nozzles and Turbines
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For a Parson's reaction turbine, if α1 and α2 are fixed blade angles at inlet and exit respectively and β1 and β2 are the moving blade angles at entrance and exit respectively, then

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Correct Answer: Option B
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