Rectifiers and Converters With a motor converter it is possible to obtain D.C. voltage only upto 600-800 V 1700-2000 V 1000-1200 V 200-100 V 600-800 V 1700-2000 V 1000-1200 V 200-100 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of aluminium silver copper graphite aluminium silver copper graphite 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 They are mechanically strong They do not require any voltage for filament heating None of the listed here Both of the listed here They are mechanically strong They do not require any voltage for filament heating None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter is a single machine with one armature and two fields none of the listed here two armatures and one field one armature and one field one armature and two fields none of the listed here two armatures and one field one armature and one field 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 Shunt motor Synchronous motor Synchronous generator Induction regulator Shunt motor Synchronous motor Synchronous generator Induction regulator ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Variable speed operation Traction Electrolysis Illumination Variable speed operation Traction Electrolysis Illumination ANSWER DOWNLOAD EXAMIANS APP
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