Railways NTPC (Technical Ability) Theory of Machines and Machine Design Question Bank Theory of Machines

  • question_answer
    A flywheel is fitted to the crankshaft of an engine having 'E' amount of indicated work per revolution and permissible limits of coefficients of fluctuation of energy and speed as \[{{K}_{e}}\] and \[{{K}_{s}}\] respectively. The kinetic energy of the flywheel is then given by:

    A) \[\frac{2{{K}_{e}}E}{{{K}_{s}}}\]                   

    B) \[\frac{{{K}_{e}}E}{2{{K}_{s}}}\]

    C) \[\frac{{{K}_{e}}E}{{{K}_{s}}}\]                     

    D) \[\frac{{{K}_{s}}E}{2{{K}_{e}}}\]

    Correct Answer: B


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