Rectifiers and Converters A commutating rectifier consists of commutator driven by A D.C. series motor A D.C. shunt motor An induction motor A synchronous motor A D.C. series motor A D.C. shunt motor An induction motor A synchronous motor 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 600-800 V 1700-2000 V 200-100 V 1000-1200 V 600-800 V 1700-2000 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 85 to 90% 65 to 75% 80 to 85% 90 to 95% 85 to 90% 65 to 75% 80 to 85% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 30°C 55°C 75°C 45°C 30°C 55°C 75°C 45°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following anode drop, cathode drop and arc drop anode drop and cathode drop anode drop and arc drop cathode drop and arc drop anode drop, cathode drop and arc drop anode drop and cathode drop anode drop and arc drop cathode drop and arc drop ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics straight line exponential curved line none of the listed here straight line exponential curved line none of the listed here ANSWER DOWNLOAD EXAMIANS APP
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