Transmission & Distribution For transmission of power over a distance of 500 km, the transmission voltage should be in the range 150 to 220 kV 20 to 50 kV 60 to 100 kV 100 to 120 kV 150 to 220 kV 20 to 50 kV 60 to 100 kV 100 to 120 kV 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 Ohm's law Kirchhoff's law Kelvin's law Faraday's law Ohm's law Kirchhoff's law Kelvin's law ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Besides a method of trial and error, which of the following methods is employed for solution of network problems in interconnected system? All of these Superposition of currents Thevenin's theorem Circulating current method All of these Superposition of currents Thevenin's theorem Circulating current method ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The usual span with RCC Poles are 300-500 meters 800-100 meters 40-50 meters 60-100 meters 300-500 meters 800-100 meters 40-50 meters 60-100 meters ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The skin effect of a conductor will reduce as the Diameter increases Frequency increases Resistivity of conductor material increases Permeability of conductor material increases Diameter increases Frequency increases Resistivity of conductor material increases Permeability of conductor material increases ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution In transmission lines the cross-arms are made of Copper Wood Steel R.C.C. Copper Wood Steel R.C.C. ANSWER DOWNLOAD EXAMIANS APP