Railways Technical Ability Automobile Engineering Question Bank Automobile Engineering

  • question_answer                                 Given that \[p\,=\] chain pitch                      C = Centre distance                            N, n = number of teeth on large and small sprocket respectively,                                 The length of chain in terms of pitches can be approximated by:                             

    A) \[\frac{2C}{P}\]

    B) \[\frac{2C}{P}+(N+n)/2\]

    C) \[\frac{2C}{P}+\left[ \frac{N+n}{2\pi } \right]\frac{p}{C}\]

    D) \[\frac{2C}{P}+\frac{N+n}{2p}{{\left[ \frac{N-n}{2p} \right]}^{2}}\,\frac{p}{C}\]

    Correct Answer: D

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