Rectifiers and Converters A rotary converter combines the function of an induction motor and a D.C. generator a synchronous motor and a D.C. generator Both of the listed here None of the listed here an induction motor and a D.C. generator a synchronous motor and a D.C. generator Both of the listed here None 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 ? 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 Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required? Rotary converter Motor converter Motor-generator set Mercury arc rectifier Rotary converter Motor converter Motor-generator set Mercury arc rectifier ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. phase magnitude All of the listed here polarity phase magnitude All of the listed here polarity ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by None of the listed here 15 to 20 per cent 5 to 10 per cent 25 to 30 per cent None of the listed here 15 to 20 per cent 5 to 10 per cent 25 to 30 per cent ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Six Three Four Two Six Three Four Two ANSWER DOWNLOAD EXAMIANS APP
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