2. Questions Bank
  3. Railways
  4. NTPC (Technical Ability)
  5. Automobile Engineering

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

  • question_answer
    To ensure self-locking in a screw jack it is essential that helix angle is:

    A) Larger than friction angle

    B) Smaller than friction angle

    C) Equal to friction angle

    D) Such as to give maximum efficiency in lifting

    Correct Answer: B

You need to login to perform this action.
You will be redirected in 3 sec spinner