Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 85 to 90% 80 to 85% 90 to 95% 65 to 75% 85 to 90% 80 to 85% 90 to 95% 65 to 75% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter combines the function of Both of the listed here an induction motor and a D.C. generator a synchronous motor and a D.C. generator None of the listed here Both of the listed here an induction motor and a D.C. generator a synchronous motor and a D.C. generator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters On which of the following factors the number of phases for which a rectifier should be designed depends? The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics The power factor of the system should be high All of the listed here The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics The power factor of the system should be high All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of Induction regulator Synchronous motor Synchronous generator Shunt motor Induction regulator Synchronous motor Synchronous generator Shunt motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started from A.C. side as induction motor All of the listed here from D.C. side as D.C. motor by means of a small auxiliary motor from A.C. side as induction motor All of the listed here from D.C. side as D.C. motor by means of a small auxiliary motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode electrons ions All of the listed here ions and electrons electrons ions All of the listed here ions and electrons ANSWER DOWNLOAD EXAMIANS APP