Transmission & Distribution When a conductor carries more current on the surface as compared to core, it is due to Skin effect Unsymmetrical fault Permeability variation Corona Skin effect Unsymmetrical fault Permeability variation Corona ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution For transmission of power over a distance of 500 km, the transmission voltage should be in the range 100 to 120 kV 60 to 100 kV 150 to 220 kV 20 to 50 kV 100 to 120 kV 60 to 100 kV 150 to 220 kV 20 to 50 kV ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Skin effect is proportional to None of these (conductor diameter)1/2 (conductor diameter)3 (conductor diameter)4 (conductor diameter)2 None of these (conductor diameter)1/2 (conductor diameter)3 (conductor diameter)4 (conductor diameter)2 ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution In a D.C. 3-wire distribution system, balancer fields are cross-connected in order to balance loads on both sides of the neutral boost the generated voltage equalize voltages on the positive and negative outers make both machine^ run as unloaded motors balance loads on both sides of the neutral boost the generated voltage equalize voltages on the positive and negative outers make both machine^ run as unloaded motors ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The most reliable distribution system is Radial system None of the listed here Ring main system Interconnected system Radial system None of the listed here Ring main system Interconnected system ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Overhead system can be designed for operation upto 11 kV 66 kV 33 kV 400 kV 11 kV 66 kV 33 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP