Collection of Top 10 Transformer Interview Questions

Electrical
,
1

Collection of Top 10 Transformer Interview Questions

In electrical engineering job interviews, transformer interview questions are frequently asked, particularly for positions that involve the operation, testing, and maintenance of transformers.

image
image1083×656 162 KB

Your understanding of transformer working principles, types, efficiency, losses, protection, and testing techniques will be evaluated based on your responses to these questions.

In order to demonstrate that you have a solid understanding of transformer technology & industry standards, you should prepare yourself for these questions:

  1. Why do we use Neutral Wire in Transformer?

  2. What are amorphous metal transformers? Where do you find it?

  3. Why Transformers can’t step Up or Step Down A DC Voltage or Current?

  4. Difference Between AC and DC Power

  5. Why is there a thin layer of varnish on transformers?

  6. How do you calculate Copper Loss?

  7. Why Instrument transformer not used in DC?

  8. How does Differential Protection work in Transformer?

  9. Why Transformers can’t step Up or Step Down A DC Voltage or Current?

  10. Why is the iron core of a transformer laminated?

You can also follow us on AutomationForum.co, Facebook and Linkedin to receive daily Instrumentation updates.

You can also follow us on ForumElectrical.com , Facebook and Linkedin to receive daily Electrical updates.