Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on heavy loads operate on low temperatures can operate on high voltages give poor regulation can operate on heavy loads operate on low temperatures can operate on high voltages give poor regulation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Mercury arc rectifiers Copper oxide rectifiers Selenium rectifiers Mechanical rectifiers Mercury arc rectifiers Copper oxide rectifiers Selenium rectifiers Mechanical rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 100 A at 100 V 500 A at 500 V 300 A at 300 V 400 A at 400 V 100 A at 100 V 500 A at 500 V 300 A at 300 V 400 A at 400 V 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 are mechanically strong They do not require any voltage for filament heating Both of the listed here None of the listed here They are mechanically strong They do not require any voltage for filament heating ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter operates at a None of the listed here low power factor high power factor zero power factor None of the listed here low power factor high power factor zero power factor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards cathode shell bottom anode mercury pool cathode shell bottom anode mercury pool ANSWER DOWNLOAD EXAMIANS APP