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

  • question_answer
    If in case of disc clutch,\[{{N}_{1}}\]= Number of discs on driving shaft \[{{N}_{2}}\]= Number of discs on driving shaft then, number of pairs of contact surfaces will be:

    A)  \[{{N}_{1}}-{{N}_{2}}+1\]                

    B)  \[{{N}_{1}}-{{N}_{2}}-1\]

    C)  \[{{N}_{1}}+{{N}_{2}}+1\]              

    D)  \[{{N}_{1}}+{{N}_{2}}-1\]

    Correct Answer: D

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