Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed 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 The rectifier will operate at reduced efficiency Internal losses will be reduced Both ion and electron streams will move in the same direction 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
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 20 V 100 V 30 V 10 V 20 V 100 V 30 V 10 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as non of the listed here all of the listed here critical grid voltage maximum grid voltage non of the listed here all of the listed here critical grid voltage maximum grid voltage ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters On which of the following factors the number of phases for which a rectifier should be designed depends? In the output circuit there should be no harmonics The power factor of the system should be high The voltage regulation of the rectifier should be low All of the listed here In the output circuit there should be no harmonics The power factor of the system should be high The voltage regulation of the rectifier should be low All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? 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 Both of the listed here None of the listed here They do not require any voltage for filament heating ANSWER DOWNLOAD EXAMIANS APP
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