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Railways NTPC (Technical Ability) Automobile Engineering Question Bank Automobile Engineering

  • question_answer
    In flat belt drive, if the slip between the driver and the belt is 1%, that between belt and follower is 3% and driver and follower pulley diameters are equal, then the velocity ratio of the drive will be:

    A) 0.99                             

    B) 0.98

    C) 0 0.97              

    D) 0.96

    Correct Answer: D

    Solution :

    Total slip, \[s={{s}_{1}}+{{s}_{2}}=1+3=4%\] \[\frac{{{N}_{2}}}{{{N}_{1}}}=1=s=1-0.04=0.96\]


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