Rectifiers and Converters In which of the following equipment direct current is needed? Relay Telephones Time switches All of the listed here Relay Telephones Time switches All 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? Selenium rectifiers Copper oxide rectifiers Mechanical rectifiers Electrolytic rectifiers Selenium rectifiers Copper oxide rectifiers Mechanical rectifiers Electrolytic rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? All of the listed here Arc welding Electrolytic and electro-chemical processes Battery charging work All of the listed here Arc welding Electrolytic and electro-chemical processes Battery charging work ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 45°C 75°C 30°C 55°C 45°C 75°C 30°C 55°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Motor converters Rotary converters Rectifiers All of the listed here Motor converters Rotary converters Rectifiers All of the listed here 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? Mercury arc rectifier Motor converter Motor-generator set Rotary converter Mercury arc rectifier Motor converter Motor-generator set Rotary converter ANSWER DOWNLOAD EXAMIANS APP