Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Mercury arc rectifiers Selenium rectifiers Copper oxide rectifiers Mechanical rectifiers Mercury arc rectifiers Selenium rectifiers Copper oxide rectifiers Mechanical rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 100 A at 100 V 500 A at 500 V 300 A at 300 V 400 A at 400 V 100 A at 100 V 500 A at 500 V 300 A at 300 V 400 A at 400 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Selenium rectifiers Electrolytic rectifiers Mechanical rectifiers Copper oxide rectifiers Selenium rectifiers Electrolytic rectifiers Mechanical rectifiers Copper oxide rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Boron carbide Aluminium Copper Graphite Boron carbide Aluminium Copper Graphite ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter operates at a high power factor zero power factor None of the listed here low power factor high power factor zero power factor None of the listed here low power factor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rotary converters Motor converters All of the listed here Rectifiers Rotary converters Motor converters All of the listed here Rectifiers ANSWER DOWNLOAD EXAMIANS APP
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