Transformer MCQs Part 30

Electrical Engineering MCQs on Transformer Part 30

The transformer is best defined as

The transformer is best defined as:

  1. A device used to convert low alternating voltage to a high alternating voltage
  2. A device used to convert alternating current to direct current
  3. A device used to convert low direct current to a high alternating current
  4. A device used only for direct current and voltages

Correct answer: 1. A device used to convert low alternating voltage to a high alternating voltage

The type of winding used in 3-phase shell-type transformer

The type of winding used in 3-phase shell-type transformer:

  1. Circular type
  2. Cylindrical type
  3. Rectangular type
  4. Sandwich type

Correct answer: 4. Sandwich type

Short circuit test in transformer is used to compute

Short circuit test in transformer is used to compute:

  1. Iron losses at no load condition
  2. Cu losses at no load condition
  3. Both of these
  4. None of these

Correct answer: 2. Cu losses at no laod condition

Stones are used in the substation in order to

Stones are used in the substation in order to:

  1. Avoid growing of plants and weed
  2. To reduce step and touch voltage
  3. Reduce vibration in transformer
  4. All of the above

Correct answer: 4. All of the above

Transformer ratings are given in

Transformer ratings are given in

  1. HP
  2. kVA
  3. kVAR
  4. kW

Correct answer: 2. kVA

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