Underground cables are laid at sufficient depth so as to

Electrical Engineering MCQ on Power Transmission

Underground cables are laid at sufficient depth so as to

1. Avoid being unearthed easily due removal of soil
2. Minimize temperature stresses
3. Minimize the effect of shocks and vibrations due gassing vehicles, etc.
4. All of above

Correct answer: 3. Minimize the effect of shocks and vibrations due gassing vehicles, etc