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:
- 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