Rectifiers and Converters In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of Synchronous generator Induction regulator Synchronous motor Shunt motor Synchronous generator Induction regulator Synchronous motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on high voltages can operate on heavy loads operate on low temperatures give poor regulation can operate on high voltages can operate on heavy loads operate on low temperatures give poor regulation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-fourth of a cycle One-third of a cycle Two-third of a cycle One-half a cycle One-fourth of a cycle One-third of a cycle Two-third of a cycle One-half a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 65 to 75% 80 to 85% 85 to 90% 90 to 95% 65 to 75% 80 to 85% 85 to 90% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters With a motor converter it is possible to obtain D.C. voltage only upto 200-100 V 1000-1200 V 1700-2000 V 600-800 V 200-100 V 1000-1200 V 1700-2000 V 600-800 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rectifiers Motor converters Rotary converters All of the listed here Rectifiers Motor converters Rotary converters All of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS