Rectifiers and Converters In which of the following equipment direct current is needed? Time switches All of the listed here Telephones Relay Time switches All of the listed here Telephones Relay ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its atomic weight is quite high Its ionization potential is relatively low Its boiling point and specific heat are low All of the listed here Its atomic weight is quite high Its ionization potential is relatively low Its boiling point and specific heat are low All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers operate on low temperatures give poor regulation can operate on heavy loads can operate on high voltages operate on low temperatures give poor regulation can operate on heavy loads can operate on high voltages ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Any of the listed here Squirrel cage induction motor Slip ring induction motor Synchronous motor Any of the listed here Squirrel cage induction motor Slip ring induction motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
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 non of the listed here critical grid voltage all of the listed here maximum grid voltage non of the listed here critical grid voltage all of the listed here maximum grid voltage 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 400 A at 400 V 500 A at 500 V 300 A at 300 V 100 A at 100 V 400 A at 400 V 500 A at 500 V 300 A at 300 V ANSWER DOWNLOAD EXAMIANS APP
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