Rectifiers and Converters A commutating rectifier consists of commutator driven by A D.C. shunt motor A D.C. series motor An induction motor A synchronous motor A D.C. shunt motor A D.C. series motor An induction motor A synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage and current voltage only current only r.m.s. value of current voltage and current voltage only current only r.m.s. value of current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter operates at a high power factor low power factor zero power factor None of the listed here high power factor low power factor zero power factor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Electrolysis Traction Variable speed operation Illumination Electrolysis Traction Variable speed operation Illumination ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode ions and electrons electrons ions All of the listed here ions and electrons electrons ions All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that it has high efficiency it is comparatively noiseless All of the listed here it is light in weight and occupies small floor space it has high efficiency it is comparatively noiseless All of the listed here it is light in weight and occupies small floor space ANSWER DOWNLOAD EXAMIANS APP