McqMate
| Q. |
Sparking is discouraged in a DC motor. |
| A. | true |
| B. | false |
| Answer» B. false | |
| Explanation: sparking at brushes and commutator segments lead to damage of commutators, which is the main distinguishable component in a dc machine. so, it is advisable to fasten the commutation speed and avoid sparking. | |
View all MCQs in
Electrical Drives and Controls (EDC)No comments yet