Transmission & Distribution As a rough guide, the most economical transmission voltage is _____of the length of the line. 1.6 kV/km 3.2kV/km 2kV/km 3 kV/km 1.6 kV/km 3.2kV/km 2kV/km 3 kV/km ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution When a conductor carries more current on the surface as compared to core, it is due to Skin effect Permeability variation Unsymmetrical fault Corona Skin effect Permeability variation Unsymmetrical fault Corona 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 Which of the following D.C. distribution system is the simplest and lowest in first cost? Ring system Interconnected system Radial system None of these Ring system Interconnected system Radial system None of these ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The cause of damage to the lead sheath of a cable is crystallisation of the lead through vibration all of these chemical action on the lead when buried in the earth mechanical damage crystallisation of the lead through vibration all of these chemical action on the lead when buried in the earth mechanical damage ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The insulating material most commonly used for power cables is PVC Paper Rubber None of the listed here PVC Paper Rubber None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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