Transmission & Distribution The skin effect of a conductor will reduce as the Resistivity of conductor material increases Permeability of conductor material increases Frequency increases Diameter increases Resistivity of conductor material increases Permeability of conductor material increases Frequency increases Diameter increases ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The operating voltage of super-tension cables is up to 11 kV 3.3 kV 6.6 kV 33 kV 11 kV 3.3 kV 6.6 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following is the source of heat generation in the cables? Losses in the metallic sheathings and armourings All of these losses in the conductor Dielectric losses in cable insulation Losses in the metallic sheathings and armourings All of these losses in the conductor Dielectric losses in cable insulation ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution When the load at the receiving end of a long transmission line is removed, the sending end voltage. This effect is known as Kelvin effect Skin effect Ferranti effect Proximity effect Kelvin effect Skin effect Ferranti effect Proximity effect ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution When a conductor carries more current on the surface as compared to core, it is due to Permeability variation Unsymmetrical fault Skin effect Corona Permeability variation Unsymmetrical fault Skin effect Corona ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The line voltage on the L. T. Side of a distribution transformer is 800 V 11 kV 400 V 230 V 800 V 11 kV 400 V 230 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS