Railways Technical Ability Turbomachinery Question Bank Turbomachinery

  • question_answer A 1: 20 model of a spillway dissipates 0.25 hp. The corresponding prototype horsepower dissipated will

    A) 0.25                             

    B) 5.00

    C) 447.20             

    D) 8944.30

    Correct Answer: D

    Solution :

    Power, \[P\propto {{(model\,\,ratio)}^{7/2}}\propto {{20}^{7/2}}\] \[{{P}_{p}}={{P}_{m}}\times {{20}^{7/2}}=0.25\times {{20}^{7/2}}\] = 8944.30 HP


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