Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Boron carbide Aluminium Graphite Copper Boron carbide Aluminium Graphite Copper ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Synchronous motor Slip ring induction motor Squirrel cage induction motor Any of the listed here Synchronous motor Slip ring induction motor Squirrel cage induction motor Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? All of the listed here Electrolytic and electro-chemical processes Battery charging work Arc welding All of the listed here Electrolytic and electro-chemical processes Battery charging work Arc welding ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Selenium rectifiers Mechanical rectifiers Copper oxide rectifiers Mercury arc rectifiers Selenium rectifiers Mechanical rectifiers Copper oxide rectifiers Mercury arc rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is inversely proportional to load is directly proportional to load varies exponentially with the load current is almost independent of load current is inversely proportional to load is directly proportional to load varies exponentially with the load current is almost independent of load current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier low mercury vapour pressures are used tube is evacuated anode is heated an auxiliary electrode is used low mercury vapour pressures are used tube is evacuated anode is heated an auxiliary electrode is used ANSWER DOWNLOAD EXAMIANS APP
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