Electrical Power Transmission MCQs Part 30

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Electrical Engineering MCQ on Power Transmission

The corona is considerably affected by

The corona is considerably affected by

  1. Shape of the conductor
  2. Size of the conductor
  3. Surface condition of the conductor
  4. All of these

Correct answer: 4. All of these

Also see: What is corona effect

The operating voltage of super-tension cables is upto

The operating voltage of super-tension cables is upto

  1. 11 kV
  2. 3.3 kV
  3. 33 kV
  4. 6.6 kV

Correct answer: 3. 33 kV

Corona effect can be detected by

Corona effect can be detected by

  1. Faint luminous glow of bluish color
  2. Hissing sound
  3. Presence of ozone detected by odour
  4. All of above

Correct answer: 4. All of above

Also read: The advantage of corona effect on transmission lines is

Skin effect is proportional to

Skin effect is proportional to

  1. (Conductor diameter)1/2
  2. (Conductor diameter)2
  3. (Conductor diameter)3
  4. (Conductor diameter)4

Correct answer: 3. (Conductor diameter)3

Also see: Skin Effect its Impact and Factors Affecting Skin Effect

The regulation that is considered best

The regulation that is considered best

  1. 0.02
  2. 0.1
  3. 0.2
  4. 0.5

Correct answer: 1. 0.02

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