Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 30°C 75°C 45°C 55°C 30°C 75°C 45°C 55°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? All of the listed here Telephones Relay Time switches All of the listed here Telephones Relay Time switches ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started All of the listed here from A.C. side as induction motor from D.C. side as D.C. motor by means of a small auxiliary motor All of the listed here from A.C. side as induction motor from D.C. side as D.C. motor by means of a small auxiliary motor 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-generator set Mercury arc rectifier Motor converter Rotary converter Motor-generator set Mercury arc rectifier Motor converter Rotary converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter combines the function of a synchronous motor and a D.C. generator None of the listed here an induction motor and a D.C. generator Both of the listed here a synchronous motor and a D.C. generator None of the listed here an induction motor and a D.C. generator Both 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? Copper oxide rectifiers Mechanical rectifiers Selenium rectifiers Electrolytic rectifiers Copper oxide rectifiers Mechanical rectifiers Selenium rectifiers Electrolytic rectifiers ANSWER DOWNLOAD EXAMIANS APP