Railways NTPC (Technical Ability) Power Plant Engineering Question Bank Power Plant Engineering

  • question_answer
    If the enthalpy drops of moving blade and fixed blade of a stage in a reaction turbine are 9 and 11 kJ/kg respectively, then degree of reaction of stage is:     

    A) 0.1                               

    B) 0.45

    C) 0.55                             

    D) 1.0

    Correct Answer: B

    Solution :

    \[{{R}_{d}}=\frac{9}{9+11}=\frac{9}{20}=0.45\]


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