Transmission & Distribution The wooden poles well impregnated with creosote oil or any preservative compound has life From 2 to 5 years 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 ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution When the length of cable increases , its capacitance Remain same None of the listed here Decreases Increases Remain same None of the listed here Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Skin effect is proportional to (conductor diameter)3 (conductor diameter)1/2 None of these (conductor diameter)4 (conductor diameter)2 (conductor diameter)3 (conductor diameter)1/2 None of these (conductor diameter)4 (conductor diameter)2 ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The line voltage on the L. T. Side of a distribution transformer is 230 V 400 V 11 kV 800 V 230 V 400 V 11 kV 800 V ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following D.C. distribution system is the simplest and lowest in first cost? Radial system Interconnected system Ring system None of these Radial system Interconnected system Ring system None of these ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The minimum dielectric stress in cable is at Conductor surface Lead sheath Centre of conductor None of the listed here Conductor surface Lead sheath Centre of conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP