Electric Power Transmission and Distribution MCQ Part 9

Electrical Engineering MCQ topic Electric Power Transmission and Distribution MCQ Part 9.

Complete List of Electrical Power Transmission and Distribution MCQ Questions

Which type of insulator is recommended for 132 kV transmission lines

Which type of insulator is recommended for 132 kV transmission lines:

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

Correct answer: 2. Disc type

A string efficiency of 100% indicates

A string efficiency of 100% indicates:

  1. Very high potential across central insulator discs
  2. Very low potential difference across central discs
  3. Equal potential difference across all discs
  4. Maximum potential difference across disc near to conductor

Correct answer: 3. Equal potential difference across discs

Wind pressure is more dominant on

Wind pressure is more dominant on which part of transmission lines:

  1. Transmission line conductors
  2. Transmission line towers
  3. Insulators

Correct answer: 2. Transmission line towers

The major reason for employing ACSR instead of copper in overhead transmission lines

The major reason for employing ACSR instead of copper in overhead transmission lines:

  1. Light weight
  2. High tensile strength
  3. Good current carrying capacity
  4. Economy

Correct answer: 4. Economy

66 kV is suitable for power transmission for which length

66 kV is suitable for power transmission for which length:

  1. 10 – 30 km
  2. 64 – 100 km
  3. 120 – 150 km
  4. Over 240 km

Correct answer: 2. 60 – 100 km

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