Rectifiers and Converters Which of the following is reversible in action? Rotary converter Motor converter Motor generator set All of the listed here Rotary converter Motor converter Motor generator set All of the listed here 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 has high efficiency it is light in weight and occupies small floor space it is comparatively noiseless All of the listed here it has high efficiency it is light in weight and occupies small floor space ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters With a motor converter it is possible to obtain D.C. voltage only upto 200-100 V 1000-1200 V 600-800 V 1700-2000 V 200-100 V 1000-1200 V 600-800 V 1700-2000 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 90 to 95% 85 to 90% 80 to 85% 65 to 75% 90 to 95% 85 to 90% 80 to 85% 65 to 75% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? 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 Voltage drop in resistance of transformer and smoothing chokes ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on heavy loads can operate on high voltages give poor regulation operate on low temperatures can operate on heavy loads can operate on high voltages give poor regulation operate on low temperatures ANSWER DOWNLOAD EXAMIANS APP
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