Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be Less Remain same None of the listed here More Less Remain same None of the listed here More ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics exponential straight line curved line none of the listed here exponential straight line curved line none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Mechanical rectifiers Copper oxide rectifiers Electrolytic rectifiers Selenium rectifiers Mechanical rectifiers Copper oxide rectifiers Electrolytic rectifiers Selenium rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? 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 All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed The rectifier will not operate Both ion and electron streams will move in the same direction Internal losses will be reduced The rectifier will operate at reduced efficiency The rectifier will not operate Both ion and electron streams will move in the same direction Internal losses will be reduced The rectifier will operate at reduced efficiency ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 65 to 75% 90 to 95% 80 to 85% 85 to 90% 65 to 75% 90 to 95% 80 to 85% 85 to 90% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS