Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Copper Boron carbide Aluminium Graphite Copper Boron carbide Aluminium Graphite ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed The rectifier will operate at reduced efficiency Internal losses will be reduced Both ion and electron streams will move in the same direction The rectifier will not operate The rectifier will operate at reduced efficiency Internal losses will be reduced Both ion and electron streams will move in the same direction The rectifier will not operate ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 25 to 30 per cent 15 to 20 per cent 5 to 10 per cent None of the listed here 25 to 30 per cent 15 to 20 per cent 5 to 10 per cent None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters It is the_______of the transformer on which the magnitude of angle of overlap depends. leakage reactance all of the listed here resistance capacitance leakage reactance all of the listed here resistance capacitance ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be More Less Remain same None of the listed here More Less Remain same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? All of the listed here Motor converters Rectifiers Rotary converters All of the listed here Motor converters Rectifiers Rotary converters ANSWER DOWNLOAD EXAMIANS APP