Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Motor converters Rectifiers All of the listed here Rotary converters Motor converters Rectifiers All of the listed here Rotary converters ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards cathode mercury pool shell bottom anode cathode mercury pool shell bottom anode ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 20 V 10 V 100 V 30 V 20 V 10 V 100 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are partly a.c. and partly d.c. d.c. only a.c. only None of the listed here partly a.c. and partly d.c. d.c. only a.c. only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 80 to 85% 65 to 75% 90 to 95% 85 to 90% 80 to 85% 65 to 75% 90 to 95% 85 to 90% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? Arc welding All of the listed here Electrolytic and electro-chemical processes Battery charging work Arc welding All of the listed here Electrolytic and electro-chemical processes Battery charging work ANSWER DOWNLOAD EXAMIANS APP
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