Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Selenium rectifiers Mechanical rectifiers Mercury arc rectifiers Copper oxide rectifiers Selenium rectifiers Mechanical rectifiers Mercury arc rectifiers Copper oxide rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter combines the function of None of the listed here Both of the listed here an induction motor and a D.C. generator a synchronous motor and a D.C. generator None of the listed here Both of the listed here an induction motor and a D.C. generator a synchronous motor and a D.C. generator ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 50 % 60 % 70 % 40 % 50 % 60 % 70 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed Internal losses will be reduced Both ion and electron streams will move in the same direction The rectifier will operate at reduced efficiency The rectifier will not operate Internal losses will be reduced Both ion and electron streams will move in the same direction The rectifier will operate at reduced efficiency The rectifier will not operate ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be Less None of the listed here More Remain same Less None of the listed here More Remain same ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 60°C 75°C 25°C 40°C 60°C 75°C 25°C 40°C ANSWER DOWNLOAD EXAMIANS APP
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