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Electrical Engineering Virtual Power Lab Experiments

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Theory

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Procedure

Simulation

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Measurement of Dielectric Strength of Transformer Oil

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Beginner

Intermediate

Advanced

1. Dielectric oil used in transformer is

a: Vegetable oil Explanation

Explanation

b: Refined Mineral oil Explanation

Explanation

c: Synthetic oil Explanation

Explanation

d: None of the above Explanation

Explanation

2. Oil used in transformer for-

a: Cooling Explanation

Explanation

b: Dielectric Explanation

Explanation

c: Lubricating Explanation

Explanation

d: Both for cooling and dielectric Explanation

Explanation

3. The flash temperature of dielectric oil used in transformer

a: 140° C Explanation

Explanation

b: 200° C Explanation

Explanation

c: 300° C Explanation

Explanation

d: 30° C Explanation

Explanation

4. The dielectric strength of transformer oil is-

a: 25 kV/mm. Explanation

Explanation

b: 50 kV/mm. Explanation

Explanation

c: 12 kV/mm. Explanation

Explanation

d: 10 kV/mm. Explanation

Explanation

5. The color of good transformer oil is-

a: Dark Black Explanation

Explanation

b: Transparent Yellow Explanation

Explanation

c: Dark Blue Explanation

Explanation

d: None of the above Explanation

Explanation

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