For a Parson's reaction turbine, if α₁ and α₂ are fixed blade an – McqOptions

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1.	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
A.	₁ = α₂ and β₁ = β₂
B.	₁ = β₁ and α₂= β₂
C.	₁ < β₁ and α₂ > β₂
D.	₁ = β₂ and β₁ = α₂
Answer» C. ₁ < β₁ and α₂ > β₂

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