Rectifiers and Converters In a rotary converter armature currents are 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. d.c. only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on heavy loads can operate on high voltages operate on low temperatures give poor regulation can operate on heavy loads can operate on high voltages operate on low temperatures give poor regulation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Traction Electrolysis Illumination Variable speed operation Traction Electrolysis Illumination Variable speed operation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started from A.C. side as induction motor from D.C. side as D.C. motor by means of a small auxiliary motor All of the listed here from A.C. side as induction motor from D.C. side as D.C. motor by means of a small auxiliary motor All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 5.4 V None of the listed here 10.4 V 16.4 V 5.4 V None of the listed here 10.4 V 16.4 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. magnitude phase All of the listed here polarity magnitude phase All of the listed here polarity ANSWER DOWNLOAD EXAMIANS APP
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