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 Which of the following is the source of heat generation in the cables? losses in the conductor All of these Losses in the metallic sheathings and armourings Dielectric losses in cable insulation losses in the conductor All of these Losses in the metallic sheathings and armourings Dielectric losses in cable insulation ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as Kirchhoff's law Ohm's law Kelvin's law Faraday's law Kirchhoff's law Ohm's law Kelvin's law Faraday's law ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The most common fault in overhead distribution system is One phase to earth fault All phase short circuited Phase to phase fault None of the listed here One phase to earth fault All phase short circuited Phase to phase fault None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Basically the boosters are Capacitors Inductors Transformers Synchronous motors Capacitors Inductors Transformers Synchronous motors ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution As the thickness of the insulation of a cable increases, its capacitance Decreases Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP