Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed Internal losses will be reduced Both ion and electron streams will move in the same direction The rectifier will not operate The rectifier will operate at reduced efficiency Internal losses will be reduced Both ion and electron streams will move in the same direction The rectifier will not operate The rectifier will operate at reduced efficiency ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 20, 30 40, 50 30, 60 75, 85 20, 30 40, 50 30, 60 75, 85 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started by means of a small auxiliary motor from D.C. side as D.C. motor from A.C. side as induction motor All of the listed here by means of a small auxiliary motor from D.C. side as D.C. motor from A.C. side as induction motor All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that it is comparatively noiseless All of the listed here it has high efficiency it is light in weight and occupies small floor space it is comparatively noiseless All of the listed here it has high efficiency it is light in weight and occupies small floor space ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Electrolysis Variable speed operation Illumination Traction Electrolysis Variable speed operation Illumination Traction ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop at the cathode Voltage drop at the anode Voltage drop in arc All of the listed here Voltage drop at the cathode Voltage drop at the anode Voltage drop in arc All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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