Transmission & Distribution Skin effect only exist in Cables carrying dc current High voltage dc overhead transmission Low voltage dc overhead transmission Ac transmission Cables carrying dc current High voltage dc overhead transmission Low voltage dc overhead transmission Ac transmission ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution By extra high voltage (EHV) we mean voltage 33 kV 100 kV Above 220 kV 66 kV 33 kV 100 kV Above 220 kV 66 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 Kelvin's law Faraday's law Ohm's law Kirchhoff's law Kelvin's law Faraday's law Ohm's law Kirchhoff's law ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The economic size of conductor is determined by Kirchhoff's law Kelvin's law None of the listed here Ohm's law Kirchhoff's law Kelvin's law None of the listed here Ohm's law ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution As a rough guide, the most economical transmission voltage is _____of the length of the line. 3 kV/km 1.6 kV/km 2kV/km 3.2kV/km 3 kV/km 1.6 kV/km 2kV/km 3.2kV/km ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution A lightning arrester is usually located nearer to Transformer Circuit breaker Busbar isolator Transformer Circuit breaker Busbar isolator ANSWER DOWNLOAD EXAMIANS APP
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