ENUMERATE 5 (FIVE) MAINTENANCE PROCESSES OF ELECTRIC KETTLE (5 marks)
1. Never connect empty kettle to mains supply. Put enough water.
2. At the time of repairing, disconnect it from main supply.
3. When using water must not enter because short circuit, earth or leakage fault may occur.
4. Avoid using broken cord or naked cord connected.
5. Endeavor electric kettle is put off, when it job is completed.
MENTION FOUR (4) CAUSES THAT RENDER TRANSFORMER OIL UNSUITABLE FOR FURTHER USE
- Low electric strength – may result from many causes, the most common is foreign particles on fiber and water in combination.
- High acidity
- High sludge content
- Excessive free water content – presence of moisture can be detected with oil dryness test set.