Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Four Six Two Three Four Six Two Three ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 30, 60 75, 85 40, 50 20, 30 30, 60 75, 85 40, 50 20, 30 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics straight line none of the listed here curved line exponential straight line none of the listed here curved line exponential ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are d.c. only None of the listed here a.c. only partly a.c. and partly d.c. d.c. only None of the listed here a.c. only partly a.c. and partly d.c. 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 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 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? 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 In the output circuit there should be no harmonics The voltage regulation of the rectifier should be low ANSWER DOWNLOAD EXAMIANS APP
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