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:
- Shackle type
- Disc type
- Pin type
Correct answer: 2. Disc type
A string efficiency of 100% indicates
A string efficiency of 100% indicates:
- Very high potential across central insulator discs
- Very low potential difference across central discs
- Equal potential difference across all discs
- 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:
- Transmission line conductors
- Transmission line towers
- 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:
- Light weight
- High tensile strength
- Good current carrying capacity
- 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:
- 10 – 30 km
- 64 – 100 km
- 120 – 150 km
- Over 240 km
Correct answer: 2. 60 – 100 km