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