Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to high temperature colour of mercury ionization electron streams high temperature colour of mercury ionization electron streams ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? Both of the listed here None of the listed here They do not require any voltage for filament heating They are mechanically strong Both of the listed here None of the listed here They do not require any voltage for filament heating They are mechanically strong ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 75°C 45°C 30°C 55°C 75°C 45°C 30°C 55°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Slip ring induction motor Synchronous motor Any of the listed here Squirrel cage induction motor Slip ring induction motor Synchronous motor Any of the listed here Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? Battery charging work Arc welding 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 ANSWER DOWNLOAD EXAMIANS APP
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