Electric Power Transmission and Distribution MCQ Part 10

Electrical Engineering MCQ topic Electric Power Transmission and Distribution MCQ Part 10.

Complete List of Electrical Power Transmission and Distribution MCQ Questions

ACSR conductors have

ACSR conductors have:

  1. All conductors made of aluminum
  2. Inner conductors made of aluminum
  3. Outer conductors made of aluminum
  4. All conductors made of steel

Correct answer: 3. Outer conductors made of aluminum

Which type of insulator is recommended for dead-end or direction change

Which type of insulator is recommended for dead end or direction change:

  1. Shackle type
  2. Disc type
  3. Strain type
  4. Pin type

Correct answer: 3. Strain type

The ratio of puncture voltage to flashover voltage of transmission line insulators is

The ratio of puncture voltage to flashover voltage of transmission line insulators is:

  1. Smaller than 1
  2. Equal to one
  3. Greater but closer to 1
  4. Much higher than 1

Correct answer: 4. Much higher than 1

Of the mentioned parameters which of the following has a higher value for aluminum as compared to copper

Of the mentioned parameters which of the following has a higher value for aluminum as compared to copper:

  1. Melting point
  2. Specific gravity
  3. Electrical resistivity
  4. Thermal conductivity

Correct answer: 3. Electrical resistivity

The approximate cost ratio of underground and overhead transmission lines is

The approximate cost ratio of underground and overhead transmission lines is:

  1. 5
  2. 13
  3. 30
  4. 57

Correct answer: 2. 13

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