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:
- All conductors made of aluminum
- Inner conductors made of aluminum
- Outer conductors made of aluminum
- 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:
- Shackle type
- Disc type
- Strain type
- 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:
- Smaller than 1
- Equal to one
- Greater but closer to 1
- 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:
- Melting point
- Specific gravity
- Electrical resistivity
- 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:
- 5
- 13
- 30
- 57
Correct answer: 2. 13