Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Graphite Copper Aluminium Boron carbide Graphite Copper Aluminium Boron carbide ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 75, 85 20, 30 30, 60 40, 50 75, 85 20, 30 30, 60 40, 50 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that it is comparatively noiseless All of the listed here it is light in weight and occupies small floor space it has high efficiency it is comparatively noiseless All of the listed here it is light in weight and occupies small floor space it has high efficiency ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to high temperature electron streams colour of mercury ionization high temperature electron streams colour of mercury ionization ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? Voltage drop in resistance of transformer and smoothing chokes All of the listed here Voltage drop in transformer reactance Arc voltage drop Voltage drop in resistance of transformer and smoothing chokes All of the listed here Voltage drop in transformer reactance Arc voltage drop ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter combines the function of an induction motor and a D.C. generator None of the listed here Both of the listed here a synchronous motor and a D.C. generator an induction motor and a D.C. generator None of the listed here Both of the listed here a synchronous motor and a D.C. generator ANSWER DOWNLOAD EXAMIANS APP
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