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