These faults were reported to have occurred on a D.C. Motor.
a. Failure to start.
b. Sparking brushes.
| S/No | FAULT | CAUSE | REMEDY |
| (a) | Failure to start | i. Open circuit on starter resistance. Ii. Open circuit on-field circuit. | Change the starter resistance. Rewind the field winding. |
| (b) | Sparking at brushes. | (i) Open circuit. (ii) Shorted or earthed armature coil. (iii) Wrong brush position. (iv) Motor overloaded. (v) Dirty or worn out commutator. | Proper connection Proper lamination and insulation. Proper position. Reduce the load. Clean the commutator or replace the commutator. |
100 Level Department of Business Administration exam questions and detailed answers. Download the answers in document…
100 Level Department of Business Administration exam questions and detailed answers. Download the answers in document…
100 Level Department of Business Administration exam questions and detailed answers. Download the answers in document…
100 Level Department of Business Administration exam questions and detailed answers. Download the answers in document…
100 Level Department of Business Administration exam questions and detailed answers. Download the answers in document…
100 Level Department of Business Administration exam questions and detailed answers. Download the answers in document…