Rectifiers and Converters In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as critical grid voltage non of the listed here all of the listed here maximum grid voltage critical grid voltage non of the listed here all of the listed here maximum grid voltage ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? Arc welding All of the listed here Battery charging work Electrolytic and electro-chemical processes Arc welding All of the listed here Battery charging work Electrolytic and electro-chemical processes ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 400 A at 400 V 100 A at 100 V 300 A at 300 V 500 A at 500 V 400 A at 400 V 100 A at 100 V 300 A at 300 V 500 A at 500 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage and current r.m.s. value of current current only voltage only voltage and current r.m.s. value of current current only voltage only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to high temperature electron streams colour of mercury ionization high temperature electron streams colour of mercury ionization ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Six Four Two Three Six Four Two Three ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS