Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 80 to 85% 90 to 95% 65 to 75% 85 to 90% 80 to 85% 90 to 95% 65 to 75% 85 to 90% 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 operate at reduced efficiency The rectifier will not operate Both ion and electron streams will move in the same direction Internal losses will be reduced The rectifier will operate at reduced efficiency The rectifier will not operate Both ion and electron streams will move in the same direction ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards cathode anode shell bottom mercury pool cathode anode shell bottom mercury pool ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics curved line straight line none of the listed here exponential curved line straight line none of the listed here exponential ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters On which of the following factors the number of phases for which a rectifier should be designed depends? In the output circuit there should be no harmonics The voltage regulation of the rectifier should be low The power factor of the system should be high All of the listed here In the output circuit there should be no harmonics The voltage regulation of the rectifier should be low The power factor of the system should be high All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is almost independent of load current is directly proportional to load is inversely proportional to load varies exponentially with the load current is almost independent of load current is directly proportional to load is inversely proportional to load varies exponentially with the load current ANSWER DOWNLOAD EXAMIANS APP
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