Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Three Six Two Four Three Six Two Four ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 5.4 V 10.4 V 16.4 V None of the listed here 5.4 V 10.4 V 16.4 V None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter operates at a zero power factor low power factor None of the listed here high power factor zero power factor low power factor None of the listed here high power factor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 85 to 90% 65 to 75% 80 to 85% 90 to 95% 85 to 90% 65 to 75% 80 to 85% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of graphite silver aluminium copper graphite silver aluminium copper ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? 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 Both of the listed here ANSWER DOWNLOAD EXAMIANS APP