2. Questions Bank
  3. Railways
  4. NTPC (Technical Ability)
  5. Fabrication Process

Railways NTPC (Technical Ability) Fabrication Process Question Bank Fabrication Process

  • question_answer
    Pinch effect in welding is the result of:

    A) Expansion of gases in the arc

    B) Electromagnetic forces

    C) Electric force

    D) Surface tension of the molten metal

    Correct Answer: A

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