Transmission & Distribution The wooden poles well impregnated with creosote oil or any preservative compound has life From 2 to 5 years 60 to 70 years 25 to 30 years 10 to 15 years From 2 to 5 years 60 to 70 years 25 to 30 years 10 to 15 years ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution On which of the following does the size of a feeder depend? Frequency Voltage Current carrying capacity Voltage drop Frequency Voltage Current carrying capacity Voltage drop ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following is the demerit of a 'constant voltage transmission system'? Increase of short-circuit current of the system Improvement of power factor at times of moderate and heavy loads Possibility of better protection for the line due to possible use of higher terminal reactants Availability of steady voltage at all loads at the line terminals Increase of short-circuit current of the system Improvement of power factor at times of moderate and heavy loads Possibility of better protection for the line due to possible use of higher terminal reactants Availability of steady voltage at all loads at the line terminals ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The loads on distributors systems are generally Balanced Unbalanced None of these Either of the above Balanced Unbalanced None of these Either of the above ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following characteristics should the line supports for transmission lines possess? Low cost High mechanical strength All of these Longer life Low cost High mechanical strength All of these Longer life ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution If the height of transmission tower is increased, which of the following parameters is likely to change? Resistance Capacitance Inductance All of the listed here Resistance Capacitance Inductance All of the listed here ANSWER DOWNLOAD EXAMIANS APP