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 They are mechanically strong None of the listed here They do not require any voltage for filament heating Both of the listed here They are mechanically strong None of the listed here They do not require any voltage for filament heating 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? Any of the listed here Squirrel cage induction motor Slip ring induction motor Synchronous motor Any of the listed here Squirrel cage induction motor Slip ring induction motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? Battery charging work Electrolytic and electro-chemical processes Arc welding All of the listed here Battery charging work Electrolytic and electro-chemical processes Arc welding All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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