Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 48.36 kV 20 kV 83.76 kV 52.84 kV 48.36 kV 20 kV 83.76 kV 52.84 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault is very nearer to the generator, the fault current is larger less any of the above zero larger less any of the above zero ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of 100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is glass All of these mica porcelain glass All of these mica porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is steam power. nuclear. hydroelectric. diesel power. steam power. nuclear. hydroelectric. diesel power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? In case of parallel transmission lines stability increases fault current reduces both 1 and 3 fault current increases stability increases fault current reduces both 1 and 3 fault current increases ANSWER DOWNLOAD EXAMIANS APP