Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Selenium rectifiers Copper oxide rectifiers Mercury arc rectifiers Mechanical rectifiers Selenium rectifiers Copper oxide rectifiers Mercury arc rectifiers Mechanical rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage only r.m.s. value of current voltage and current current only voltage only r.m.s. value of current voltage and current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Synchronous motor Squirrel cage induction motor Any of the listed here Slip ring induction motor Synchronous motor Squirrel cage induction motor Any of the listed here Slip ring induction motor 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 one armature and one field two armatures and one field one armature and two fields none of the listed here one armature and one field two armatures and one field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards anode shell bottom cathode mercury pool anode shell bottom cathode mercury pool ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters On which of the following factors the number of phases for which a rectifier should be designed depends? All of the listed here The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics The power factor of the system should be high All of the listed here The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics The power factor of the system should be high ANSWER DOWNLOAD EXAMIANS APP
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