Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They are mechanically strong None of the listed here They do not require any voltage for filament heating Both of the listed here They are mechanically strong None of the listed here They do not require any voltage for filament heating Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter is a single machine with one armature and two fields two armatures and one field one armature and one field none of the listed here one armature and two fields two armatures and one field one armature and one field none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier an auxiliary electrode is used low mercury vapour pressures are used tube is evacuated anode is heated an auxiliary electrode is used low mercury vapour pressures are used tube is evacuated anode is heated ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Time switches All of the listed here Relay Telephones Time switches All of the listed here Relay Telephones ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of Induction regulator Synchronous motor Synchronous generator Shunt motor Induction regulator Synchronous motor Synchronous generator Shunt motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. polarity All of the listed here phase magnitude polarity All of the listed here phase magnitude ANSWER DOWNLOAD EXAMIANS APP
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