Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 400 Ω 800 Ω 200 Ω 0 Ω 400 Ω 800 Ω 200 Ω 0 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as coolant. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as coolant. sodium as moderator and graphite as coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? auto transformer distribution transformer capacitor voltage transformer All of these auto transformer distribution transformer capacitor voltage transformer All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of star connected network any of the above star connected with grounding network delta connected network star connected network any of the above star connected with grounding network delta connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Inductance of the system. Capacitance of the system. Type of CB. Inductance and capacitance of the system. Inductance of the system. Capacitance of the system. Type of CB. Inductance and capacitance of the system. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt capacitor at receiving end All of these shunt reactor at receiving end shunt resistance at receiving end shunt capacitor at receiving end All of these shunt reactor at receiving end shunt resistance at receiving end ANSWER DOWNLOAD EXAMIANS APP