Transformers – Page 4 – HI MCQ!

Which of the following statements regarding an ideal single-phase transformer having a turn ratio of 1 : 2 and drawing a current of 10 A from 200 V A.C. supply is incorrect?

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If a transformer is continuously operated the maximum temperature rise will occur in?

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Which of the following is not the standard voltage for power supply in India?

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If a transformer is switched on to a voltage more than the rated voltage?

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Iron loss of a transformer can be measured by?

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As per the name plate of a transformer the secondary normal voltage is 220 V. Which of the following statements about it is correct?

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The changes in volume of transformer cooling oil due to variation of atmospheric temperature during day and night is taken care of by which part of transformer?

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Oil impregnated paper condenser bushing is generally used on transformers operating at?

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Which of the following is the main advantage of an auto-transformer over a two winding transformer?

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Buchholz’s relay gives warning and protection against?

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