Transmission & Distribution The wooden poles well impregnated with creosote oil or any preservative compound has life 60 to 70 years 10 to 15 years 25 to 30 years From 2 to 5 years 60 to 70 years 10 to 15 years 25 to 30 years From 2 to 5 years ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following faults is most likely to occur in cables? All of these Cross or short-circuit fault Open circuit fault Breakdown of cable insulation All of these Cross or short-circuit fault Open circuit fault Breakdown of cable insulation ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution In a 3- phase balanced load, each phase has Same p. f. But different impedance None of the listed here Same impedance but different p. f Same impedance and p. f. Same p. f. But different impedance None of the listed here Same impedance but different p. f Same impedance and p. f. ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution A line from which the loads are tapped off is called Distributor Service mains Feeder None of the listed here Distributor Service mains Feeder None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Corona result in Power factor improvement Better regulation Radio frequency None of the listed here Power factor improvement Better regulation Radio frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The radial system of power distribution is used for Both short and long distances Long distances only Short distances only None of the listed here Both short and long distances Long distances only Short distances only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS