Electrical Multiple Choice Questions on Power transmission and distribution Part 3.
Which of following is the preferred wiring system for AC distribution system
Which of following is the preferred wiring system for AC distribution system:
- Single phase 2-wire system
- 2 phase, 3 wire system
- 3 phase, 3 wire system
- 3 phase, 4 wire system
Correct answer: 4. 3 phase, 4 wire system
Stringing chart is useful in
Stringing chart is useful in:
- Designing tower
- Finding conductor sag
- Designing insulator string
- None of these
Correct answer: 2. Finding conductor sag
Guard ring in transmission lines is used to
Guard ring in transmission lines is used to:
- Keep stray birds away from conductor hanging point
- Equalize the voltage division between insulator discs
- Decrease string efficiency
- None of these
Correct answer: 2. Equalize the voltage division between insulator discs
Capacitance included in the equivalent circuit of transmission lines is due to
Capacitance included in the equivalent circuit of transmission lines is due to:
- Difference in potential of line
- Current in line
- Leakage currents
- None of these
Correct answer: 1. Difference in potential of line
Of the 4 four mentioned options for which of following the inductance is minimum
Of the 4 four mentioned options for which of following the inductance is minimum:
- GMD is high
- GMR is high
- GMD is low and GMR is high
- Both a and b
Correct answer: 3. GMD is low and GMR is high
More Power Transmission and Distribution MCQ Questions:
- Electric Power Transmission and Distribution MCQ Part 1
- Electric Power Transmission and Distribution MCQ Part 2