Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Copper Graphite Aluminium Boron carbide Copper Graphite Aluminium Boron carbide ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Mechanical rectifiers Mercury arc rectifiers Selenium rectifiers Copper oxide rectifiers Mechanical rectifiers Mercury arc rectifiers Selenium rectifiers Copper oxide rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because All of the listed here Its boiling point and specific heat are low Its ionization potential is relatively low Its atomic weight is quite high All of the listed here Its boiling point and specific heat are low Its ionization potential is relatively low Its atomic weight is quite high ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Illumination Traction Electrolysis Variable speed operation Illumination Traction Electrolysis Variable speed operation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to high ionization potential energy spent in overcoming the electrostatic field high temperature inside the rectifier self restoring property of mercury high ionization potential energy spent in overcoming the electrostatic field high temperature inside the rectifier self restoring property of mercury ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? Battery charging work All of the listed here Arc welding Electrolytic and electro-chemical processes Battery charging work All of the listed here Arc welding Electrolytic and electro-chemical processes ANSWER DOWNLOAD EXAMIANS APP
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