Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for Two-third of a cycle One-third of a cycle One-fourth of a cycle One-half a cycle Two-third of a cycle One-third of a cycle One-fourth of a cycle One-half a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on high voltages operate on low temperatures give poor regulation can operate on heavy loads can operate on high voltages operate on low temperatures give poor regulation can operate on heavy loads ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode ions ions and electrons electrons All of the listed here ions ions and electrons electrons All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 65 to 75% 90 to 95% 80 to 85% 85 to 90% 65 to 75% 90 to 95% 80 to 85% 85 to 90% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following cathode drop and arc drop anode drop and arc drop anode drop, cathode drop and arc drop anode drop and cathode drop cathode drop and arc drop anode drop and arc drop anode drop, cathode drop and arc drop anode drop and cathode drop 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 Shunt motor Induction regulator Synchronous motor Synchronous generator Shunt motor Induction regulator Synchronous motor Synchronous generator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS