Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 1500 A 2000 A 200 A 500 A 1500 A 2000 A 200 A 500 A ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Relay Telephones Time switches All of the listed here Relay Telephones Time switches All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? All of the listed here Battery charging work Arc welding Electrolytic and electro-chemical processes All of the listed here Battery charging work Arc welding Electrolytic and electro-chemical processes ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started from D.C. side as D.C. motor All of the listed here from A.C. side as induction motor by means of a small auxiliary motor from D.C. side as D.C. motor All of the listed here from A.C. side as induction motor by means of a small auxiliary motor 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 power factor of the system should be high The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics All of the listed here The power factor of the system should be high The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. phase magnitude All of the listed here polarity phase magnitude All of the listed here polarity ANSWER DOWNLOAD EXAMIANS APP