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Real Interview Questions

ABB Interview Questions (Real, Asked)

7 real questions candidates were actually asked at ABB interviews. Practice any of them out loud with Roundd AI and get instant feedback — free, no signup.

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  1. 1.

    Why is a star-delta starter preferred for an induction motor?

    Graduate Engineer Trainee

  2. 2.

    Why is back EMF used in a DC motor, and what is its significance?

    Graduate Engineer Trainee

  3. 3.

    Explain various types of losses in a DC motor, and the process of commutation.

    Graduate Engineer Trainee

  4. 4.

    Compare JFETs and MOSFETs.

    Graduate Engineer Trainee

  5. 5.

    Write the current equation for a series RLC circuit.

    Graduate Engineer Trainee

  6. 6.

    Explain the ABB Ability platform — how does it use IoT, cloud, and machine learning?

    Software Engineer

  7. 7.

    What are RESTful APIs, and how do they work?

    Software Engineer

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