Electrical Engineering · Home Appliances Troubleshooting
Match the mixer grinder faults listed in Column A with their most probable causes in Column B: Column A (Fault) I. The mixer does not run at all II. The motor runs on one speed only III. Blows the fuse when switched on IV. Slow speed with weak power Column B (Probable Cause) A. Defective armature or field coils (short circuit) B. The overload protection switch has tripped C. Partially burnt-out field winding or shorted speed selector switch D. Worn-out carbon brushes or loose spring tension
- 1I-B, II-C, III-A, IV-D✓
- 2I-A, II-B, III-C, IV-D
- 3I-B, II-A, III-D, IV-C
- 4I-C, II-A, III-B, IV-D
Correct answer
I-B, II-C, III-A, IV-D
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