Rectifiers and Converters Which of the following is reversible in action? All of the listed here Motor generator set Rotary converter Motor converter All of the listed here Motor generator set Rotary converter Motor converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? Arc welding Battery charging work All of the listed here Electrolytic and electro-chemical processes Arc welding Battery charging work All of the listed here Electrolytic and electro-chemical processes ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? Both of the listed here None of the listed here They are mechanically strong They do not require any voltage for filament heating Both of the listed here None of the listed here They are mechanically strong They do not require any voltage for filament heating ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 75, 85 20, 30 40, 50 30, 60 75, 85 20, 30 40, 50 30, 60 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier anode is heated tube is evacuated low mercury vapour pressures are used an auxiliary electrode is used anode is heated tube is evacuated low mercury vapour pressures are used an auxiliary electrode is used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards shell bottom anode mercury pool cathode shell bottom anode mercury pool cathode ANSWER DOWNLOAD EXAMIANS APP
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