Transmission & Distribution In transmission lines the cross-arms are made of Steel R.C.C. Wood Copper Steel R.C.C. Wood Copper ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Electromechanical voltage regulators are generally used in Transformers All of these Generators Reactors Transformers All of these Generators Reactors ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The skin effect of a conductor will reduce as the Diameter increases Permeability of conductor material increases Frequency increases Resistivity of conductor material increases Diameter increases Permeability of conductor material increases Frequency increases Resistivity of conductor material increases ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution In ac system, additions and subtractions of currents are done None of the listed here Arithmetically Both vectorially & arithmetically Vectorially None of the listed here Arithmetically Both vectorially & arithmetically Vectorially 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 Faraday's law Kirchhoff's law Ohm's law Kelvin's law Faraday's law Kirchhoff's law Ohm's law Kelvin's law ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following is the source of heat generation in the cables? Dielectric losses in cable insulation 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 ANSWER DOWNLOAD EXAMIANS APP
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