Rectifiers and Converters Which of the following metals is generally manufactured by electrolysis process? Copper Zinc Load Aluminium Copper Zinc Load Aluminium ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 10 V 100 V 20 V 30 V 10 V 100 V 20 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A commutating rectifier consists of commutator driven by A D.C. shunt motor An induction motor A D.C. series motor A synchronous motor A D.C. shunt motor An induction motor A D.C. series motor A synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 80 to 85% 65 to 75% 85 to 90% 90 to 95% 80 to 85% 65 to 75% 85 to 90% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed Internal losses will be reduced The rectifier will not operate The rectifier will operate at reduced efficiency Both ion and electron streams will move in the same direction Internal losses will be reduced The rectifier will not operate The rectifier will operate at reduced efficiency Both ion and electron streams will move in the same direction 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
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