Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Synchronous motor Slip ring induction motor Any of the listed here Squirrel cage induction motor Synchronous motor Slip ring induction motor Any of the listed here Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Aluminium Boron carbide Graphite Copper Aluminium Boron carbide Graphite Copper ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 400 A at 400 V 500 A at 500 V 300 A at 300 V 100 A at 100 V 400 A at 400 V 500 A at 500 V 300 A at 300 V 100 A at 100 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that it has high efficiency it is light in weight and occupies small floor space All of the listed here it is comparatively noiseless it has high efficiency it is light in weight and occupies small floor space All of the listed here it is comparatively noiseless ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed Both ion and electron streams will move in the same direction The rectifier will operate at reduced efficiency Internal losses will be reduced The rectifier will not operate Both ion and electron streams will move in the same direction The rectifier will operate at reduced efficiency Internal losses will be reduced The rectifier will not operate ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage and current r.m.s. value of current voltage only current only voltage and current r.m.s. value of current voltage only current only ANSWER DOWNLOAD EXAMIANS APP
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