Transmission & Distribution Overhead system can be designed for operation upto 11 kV 33 kV 400 kV 66 kV 11 kV 33 kV 400 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution As a rough guide, the most economical transmission voltage is _____of the length of the line. 2kV/km 3 kV/km 1.6 kV/km 3.2kV/km 2kV/km 3 kV/km 1.6 kV/km 3.2kV/km ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The wooden poles well impregnated with creosote oil or any preservative compound has life 25 to 30 years 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 ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The cause of damage to the lead sheath of a cable is chemical action on the lead when buried in the earth all of these crystallisation of the lead through vibration mechanical damage chemical action on the lead when buried in the earth all of these crystallisation of the lead through vibration mechanical damage 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 60 to 100 kV 100 to 120 kV 150 to 220 kV 20 to 50 kV 60 to 100 kV 100 to 120 kV 150 to 220 kV ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution In a distribution system major cost is that of Earthing system Distribution transformer Conductors Meters Earthing system Distribution transformer Conductors Meters ANSWER DOWNLOAD EXAMIANS APP