Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 5 to 10 per cent 25 to 30 per cent None of the listed here 15 to 20 per cent 5 to 10 per cent 25 to 30 per cent None of the listed here 15 to 20 per cent 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 Rotary converter Motor converter Motor-generator set Mercury arc rectifier Rotary converter Motor converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 500 A 1500 A 200 A 2000 A 500 A 1500 A 200 A 2000 A 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 In a single phase rotary converter the number of slip rings will be Two Six Three Four Two Six Three Four 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 Rectifiers All of the listed here Rotary converters Motor converters Rectifiers All of the listed here Rotary converters ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS