Electrical Engineering Interview Questions on Transmission & Distribution – 1
1. What points should be kept in mind while designing a feeder?
Answer: Feeder are designed mainly from the point of view of its current carrying capacity.
2. What is the purpose of transposition of transmission line?
Answer: Transposition of transmission line is done to balance the line voltage drop.
3. What happened to capacitance of transmission line if the spacing between conductors is increased?
Answer: If the spacing between conductors is increased, the capacitance of transmission line increases.
4. Which relay is used to protect the Power Transformer against external short circuit and overload?
Answer: IDMT Relay.
5. Which relay is used to detect and protect internal fault of transformer?
Answer: Bucholoz Relay.
6. Which relay is used for the generator phase to phase winding protection?
Answer: Differential Relay.