Railways Technical Ability Turbomachinery Question Bank Turbomachinery

  • question_answer In a fully trubulent flow through a rough pipe, the friction factor \['f'\] is (Re is the Reynolds number and \[{{\xi }_{s}}/D\] is relative roughness):              

    A) A function of Re

    B) A function of Re and \[{{\xi }_{s}}/D\]

    C) A function of \[{{\xi }_{s}}/D\]

    D) Independent of Re and \[{{\xi }_{s}}/D\]

    Correct Answer: B


You need to login to perform this action.
You will be redirected in 3 sec spinner