Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Traction Illumination Variable speed operation Electrolysis Traction Illumination Variable speed operation Electrolysis 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 Both of the listed here None of the listed here They do not require any voltage for filament heating They are mechanically strong Both of the listed here None of the listed here They do not require any voltage for filament heating ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters It is the_______of the transformer on which the magnitude of angle of overlap depends. all of the listed here leakage reactance resistance capacitance all of the listed here leakage reactance resistance capacitance ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Squirrel cage induction motor Synchronous motor Any of the listed here Slip ring induction motor Squirrel cage induction motor Synchronous motor Any of the listed here Slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A commutating rectifier consists of commutator driven by A D.C. series motor An induction motor A D.C. shunt motor A synchronous motor A D.C. series motor An induction motor A D.C. shunt motor A synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? All of the listed here Voltage drop at the anode Voltage drop at the cathode Voltage drop in arc All of the listed here Voltage drop at the anode Voltage drop at the cathode Voltage drop in arc ANSWER DOWNLOAD EXAMIANS APP