Transmission & Distribution The wooden poles well impregnated with creosote oil or any preservative compound has life From 2 to 5 years 10 to 15 years 60 to 70 years 25 to 30 years From 2 to 5 years 10 to 15 years 60 to 70 years 25 to 30 years ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Impedance relay is used on _____ transmission lines. Long Medium All Short Long Medium All Short ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The operating voltage of super-tension cables is up to 3.3 kV 33 kV 11 kV 6.6 kV 3.3 kV 33 kV 11 kV 6.6 kV ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The most common fault in overhead distribution system is Phase to phase fault None of the listed here All phase short circuited One phase to earth fault Phase to phase fault None of the listed here All phase short circuited One phase to earth fault ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Power distribution by cables is generally adopted for line length Above 100 km Less than 50 km Above 200 km Less than 10 km Above 100 km Less than 50 km Above 200 km Less than 10 km ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Corona result in None of the listed here Radio frequency Better regulation Power factor improvement None of the listed here Radio frequency Better regulation Power factor improvement ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS