Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to ionization colour of mercury electron streams high temperature ionization colour of mercury electron streams high temperature 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 55°C 30°C 45°C 75°C 55°C 30°C 45°C 75°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 Slip ring induction motor Squirrel cage induction motor Synchronous motor Any of the listed here Slip ring induction motor Squirrel cage induction motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? 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 Battery charging work ANSWER DOWNLOAD EXAMIANS APP