Q1, TNPSC 2019
Uses of 'Fuses' with less capacity prevents:
- A)Mechanical hazard
- B)Chemical hazard
- C)Electrical hazard✓
- D)Dust hazard
Why C is correct
A fuse rated at (or below) the circuit's safe capacity melts and breaks the circuit when current exceeds the limit, preventing overheating, fire and shock - i.e. electrical hazards. Official TNPSC final key: C.