Rectifiers and Converters Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required? Motor converter Rotary converter Motor-generator set Mercury arc rectifier Motor converter Rotary converter Motor-generator set Mercury arc rectifier ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started 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 from A.C. side as induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop in arc All of the listed here Voltage drop at the cathode Voltage drop at the anode Voltage drop in arc All of the listed here Voltage drop at the cathode Voltage drop at the anode ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers operate on low temperatures can operate on heavy loads can operate on high voltages give poor regulation operate on low temperatures can operate on heavy loads can operate on high voltages give poor regulation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 50 % 40 % 70 % 60 % 50 % 40 % 70 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 100 A at 100 V 300 A at 300 V 500 A at 500 V 400 A at 400 V 100 A at 100 V 300 A at 300 V 500 A at 500 V 400 A at 400 V ANSWER DOWNLOAD EXAMIANS APP