Transmission & Distribution The wooden poles well impregnated with creosote oil or any preservative compound has life 25 to 30 years 60 to 70 years 10 to 15 years From 2 to 5 years 25 to 30 years 60 to 70 years 10 to 15 years From 2 to 5 years ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The radial system of power distribution is used for Both short and long distances Short distances only None of the listed here Long distances only Both short and long distances Short distances only None of the listed here Long distances only 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 Kelvin's law Kirchhoff's law Faraday's law Ohm's law Kelvin's law Kirchhoff's law ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The skin effect of a conductor will reduce as the Resistivity of conductor material increases Diameter increases Frequency increases Permeability of conductor material increases Resistivity of conductor material increases Diameter increases Frequency increases Permeability of conductor material increases ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Skin effect is noticeable only at _____ frequencies. Audio High All Low Audio High All Low ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution To increase the capacity of a transmission line for transmitting power which of the following must be decreased? Capacitance Line inductance All of the listed here Voltage Capacitance Line inductance All of the listed here Voltage ANSWER DOWNLOAD EXAMIANS APP
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