Which of the following is the source of heat generation in the cables? losses in the conductor All of these Dielectric losses in cable insulation Losses in the metallic sheathings and armourings TRUE ANSWER : ? YOUR ANSWER : ?
In the event of the fault, line can be opened quickly by G. O. Switch CB Fuse All of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following D.C. distribution system is the simplest and lowest in first cost? Interconnected system None of these Ring system Radial system TRUE ANSWER : ? YOUR ANSWER : ?
The purpose of using a booster is to Compensate for voltage drop Increase current Reduce current Reduce voltage drop TRUE ANSWER : ? YOUR ANSWER : ?
In a transmission line, the major cost is due to Conductors None of the listed here Insulators Towers TRUE ANSWER : ? YOUR ANSWER : ?
To increase the capacity of a transmission line for transmitting power which of the following must be decreased? All of the listed here Line inductance Capacitance Voltage TRUE ANSWER : ? YOUR ANSWER : ?
The domestic load that has unity power factor is Fan Mixer Filament lamp Tube TRUE ANSWER : ? YOUR ANSWER : ?
A 3 wire dc distribution system makes available One voltages Three voltages Two voltages None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Corona result in Radio frequency Power factor improvement None of the listed here Better regulation TRUE ANSWER : ? YOUR ANSWER : ?
Overhead system can be designed for operation upto 400 kV 33 kV 11 kV 66 kV TRUE ANSWER : ? YOUR ANSWER : ?