Transformers

21. Which of the following is not a routine test on transformers?

Core insulation voltage test
Impedance test
Radio interference test
Polarity test

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transformers?" class="read-more button" href="https://exam.pscnotes.com/mcq/which-of-the-following-is-not-a-routine-test-on-transformers/#more-43061">Detailed SolutionWhich of the following is not a routine test on transformers?

22. Two transformers operating in parallel will share the load depending upon their

leakage reactance
per unit impedance
efficiencies
ratings

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upon their" class="read-more button" href="https://exam.pscnotes.com/mcq/two-transformers-operating-in-parallel-will-share-the-load-depending-upon-their/#more-42906">Detailed SolutionTwo transformers operating in parallel will share the load depending upon their

23. Which of the following is the most likely source of harmonics in a transformer?

poor insulation
Overload
loose connections
Core saturation

Detailed SolutionWhich of

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the following is the most likely source of harmonics in a transformer?

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