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JCECE Medical JCECE Medical Solved Paper-2011

  • question_answer
    To maintain a rotar at uniform angular speed of 200 rad/s, an engine needs to transmit a torque of 180 Nm. What is the power required by engine? (Assume efficiency of engine to be 80%)

    A)  36kW         

    B)  18 kW

    C)  45kW         

    D)  54kW

    Correct Answer: C

    Solution :

     Power required for rotar, \[P=\tau .\,W\] \[=36\,kW\] Power of engine \[{{P}_{0}}=\frac{P}{0.8}=45\,kW\]


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