Rectifiers and Converters Which of the following mercury arc rectifier will deliver least undulating current? Single-phase Six-phase Two-phase Three-phase Single-phase Six-phase Two-phase Three-phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to high temperature inside the rectifier energy spent in overcoming the electrostatic field self restoring property of mercury high ionization potential high temperature inside the rectifier energy spent in overcoming the electrostatic field self restoring property of mercury high ionization potential 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 500 A at 500 V 300 A at 300 V 400 A at 400 V 100 A at 100 V 500 A at 500 V 300 A at 300 V 400 A at 400 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. polarity All of the listed here phase magnitude polarity All of the listed here phase magnitude ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? Voltage drop in resistance of transformer and smoothing chokes Arc voltage drop Voltage drop in transformer reactance All of the listed here Voltage drop in resistance of transformer and smoothing chokes Arc voltage drop Voltage drop in transformer reactance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? Arc welding Battery charging work All of the listed here Electrolytic and electro-chemical processes Arc welding Battery charging work All of the listed here Electrolytic and electro-chemical processes ANSWER DOWNLOAD EXAMIANS APP