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 Arc voltage drop Voltage drop in transformer reactance Voltage drop in resistance of transformer and smoothing chokes All of the listed here Arc voltage drop Voltage drop in transformer reactance ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Graphite Boron carbide Copper Aluminium Graphite Boron carbide Copper Aluminium 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? Motor converter Rotary converter Mercury arc rectifier Motor-generator set Motor converter Rotary converter Mercury arc rectifier Motor-generator set ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of aluminium copper graphite silver aluminium copper graphite silver ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 65 to 75% 85 to 90% 90 to 95% 80 to 85% 65 to 75% 85 to 90% 90 to 95% 80 to 85% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that All of the listed here it is comparatively noiseless it has high efficiency it is light in weight and occupies small floor space All of the listed here it is comparatively noiseless it has high efficiency it is light in weight and occupies small floor space ANSWER DOWNLOAD EXAMIANS APP
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