Rectifiers And Converters - Study Mode
[#36] Copper oxide rectifier is usually designed not to operate above
Correct Answer
(D) 45°C
[#37] 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
Correct Answer
(B) critical grid voltage
[#38] Which of the following are the applications of D.C. system?
Correct Answer
Battery charging work
[#39] Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of
Correct Answer
100 A at 100 V
[#40] Which of the following AC. motors is usually used in large motor-generator sets?
Correct Answer
(A) Synchronous motor