Power Systems In a regenerative cycle, feed water is heated by all of above. heaters. exhaust gas. drained steam from turbine. all of above. heaters. exhaust gas. drained steam from turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, power loss increases charging current increases interference increases All of these power loss increases charging current increases interference increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance decrease. increase. none of above. remains constant. decrease. increase. none of above. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 50% 75% 90% 86%% 50% 75% 90% 86%% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? capacitor voltage transformer All of these distribution transformer auto transformer capacitor voltage transformer All of these distribution transformer auto transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? positive sequence any of the above negative sequence zero sequence positive sequence any of the above negative sequence zero sequence ANSWER DOWNLOAD EXAMIANS APP