Transmission & Distribution The following system is not generally used 3-phase 3-wire 3-phase 4-wire 1-phase 4-wire 1-phase 3-wire 3-phase 3-wire 3-phase 4-wire 1-phase 4-wire 1-phase 3-wire ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The wooden poles well impregnated with creosote oil or any preservative compound has life From 2 to 5 years 10 to 15 years 25 to 30 years 60 to 70 years From 2 to 5 years 10 to 15 years 25 to 30 years 60 to 70 years 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 Ohm's law Faraday's law Kirchhoff's law Kelvin's law Ohm's law Faraday's law Kirchhoff's law Kelvin's law ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution For transmission of power over a distance of 200 km, the transmission voltage should be 33 kV 11 kV 132 kV 66 kV 33 kV 11 kV 132 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Solid grounding is adopted for voltages below 400 V 660 V 100 V 200 V 400 V 660 V 100 V 200 V ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Low voltage cables are meant for use up to 1.1 kV 6.6 kV 11 kV 3.3 kV 1.1 kV 6.6 kV 11 kV 3.3 kV ANSWER DOWNLOAD EXAMIANS APP
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