Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Graphite Boron carbide Aluminium Copper Graphite Boron carbide Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards shell bottom anode cathode mercury pool shell bottom anode cathode mercury pool ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started by means of a small auxiliary motor from D.C. side as D.C. motor All of the listed here from A.C. side as induction motor by means of a small auxiliary motor from D.C. side as D.C. motor All of the listed here from A.C. side as induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier low mercury vapour pressures are used anode is heated tube is evacuated an auxiliary electrode is used low mercury vapour pressures are used anode is heated tube is evacuated an auxiliary electrode is used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Four Two Three Six Four Two Three Six ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 15 to 20 per cent None of the listed here 25 to 30 per cent 5 to 10 per cent 15 to 20 per cent None of the listed here 25 to 30 per cent 5 to 10 per cent ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS