SUBSTATION AND EQUIPMENT - Practice Mode

1) How the busbar is rated?
Correct Answer: Current and voltage
2) Why stones are provided in sub-stations?
Correct Answer: To avoid the growing of plants and for insulation
3) How many types of outdoor sub-station?
Correct Answer: Two
4) What is function of outdoor sub-station?
Correct Answer: High voltage supply step down into low voltage supply
5) Which of those circuit breaker is sufficient for extra high tension line?
Correct Answer: SF6 circuit breaker