Rectifiers and Converters Which of the following are the applications of D.C. system? Electrolytic and electro-chemical processes All of the listed here Battery charging work Arc welding Electrolytic and electro-chemical processes All of the listed here Battery charging work Arc welding ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode All of the listed here ions ions and electrons electrons All of the listed here ions ions and electrons electrons ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Traction Variable speed operation Illumination Electrolysis Traction Variable speed operation Illumination Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes varies exponentially with the load current is almost independent of load current is directly proportional to load is inversely proportional to load varies exponentially with the load current is almost independent of load current is directly proportional to load is inversely proportional to load ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Electrolytic rectifiers Copper oxide rectifiers Mechanical rectifiers Selenium rectifiers Electrolytic rectifiers Copper oxide rectifiers Mechanical rectifiers Selenium rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its ionization potential is relatively low All of the listed here Its boiling point and specific heat are low Its atomic weight is quite high Its ionization potential is relatively low All of the listed here Its boiling point and specific heat are low Its atomic weight is quite high ANSWER DOWNLOAD EXAMIANS APP
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