Transmission & Distribution The wooden poles well impregnated with creosote oil or any preservative compound has life From 2 to 5 years 25 to 30 years 60 to 70 years 10 to 15 years From 2 to 5 years 25 to 30 years 60 to 70 years 10 to 15 years ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The domestic load that has unity power factor is Fan Tube Mixer Filament lamp Fan Tube Mixer Filament lamp ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following faults is most likely to occur in cables? 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution For transmission of power over a distance of 500 km, the transmission voltage should be in the range 20 to 50 kV 100 to 120 kV 150 to 220 kV 60 to 100 kV 20 to 50 kV 100 to 120 kV 150 to 220 kV 60 to 100 kV ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution A 3 wire dc distribution system makes available Two voltages None of the listed here One voltages Three voltages Two voltages None of the listed here One voltages Three voltages ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The cause of damage to the lead sheath of a cable is mechanical damage all of these chemical action on the lead when buried in the earth crystallisation of the lead through vibration mechanical damage all of these chemical action on the lead when buried in the earth crystallisation of the lead through vibration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS