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 60 to 70 years 25 to 30 years From 2 to 5 years 10 to 15 years 60 to 70 years 25 to 30 years ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution To increase the capacity of a transmission line for transmitting power which of the following must be decreased? Voltage Capacitance Line inductance All of the listed here Voltage Capacitance Line inductance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following D.C. distribution system is the simplest and lowest in first cost? Interconnected system Radial system Ring system None of these Interconnected system Radial system Ring system None of these ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution With the increase in the values of voltage and power factor, the cost of transmission line conductor Increases exponentals Increases Decreases Is unaffected Increases exponentals Increases Decreases Is unaffected 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 Thevenin's theorem Superposition of currents Circulating current method All of these Thevenin's theorem Superposition of currents Circulating current method ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The cause of damage to the lead sheath of a cable is crystallisation of the lead through vibration chemical action on the lead when buried in the earth all of these mechanical damage crystallisation of the lead through vibration chemical action on the lead when buried in the earth all of these mechanical damage ANSWER DOWNLOAD EXAMIANS APP
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