Transmission & Distribution Power distribution by cables is generally adopted for line length Above 200 km Less than 50 km Above 100 km Less than 10 km Above 200 km Less than 50 km Above 100 km Less than 10 km ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The wooden poles well impregnated with creosote oil or any preservative compound has life 10 to 15 years 60 to 70 years From 2 to 5 years 25 to 30 years 10 to 15 years 60 to 70 years From 2 to 5 years 25 to 30 years ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Power system stability is least affected by Reactance of transmission line Input torque Reactance of generator Losses Reactance of transmission line Input torque Reactance of generator Losses ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The most common fault in overhead distribution system is All phase short circuited Phase to phase fault None of the listed here One phase to earth fault All phase short circuited Phase to phase fault None of the listed here One phase to earth fault ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The skin effect of a conductor will reduce as the Permeability of conductor material increases Resistivity of conductor material increases Frequency increases Diameter increases Permeability of conductor material increases Resistivity of conductor material increases Frequency increases Diameter increases ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The operating voltage of super-tension cables is up to 33 kV 6.6 kV 3.3 kV 11 kV 33 kV 6.6 kV 3.3 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP