Electrical Safety MCQ
Q1. What is electrical safety?
📘 View ExplanationQ2. What is the main cause of electric shock?
📘 View ExplanationQ3. Which device protects against overcurrent?
📘 View ExplanationQ4. Which device automatically breaks circuit during fault?
📘 View ExplanationQ5. What is earthing?
📘 View ExplanationQ6. Why is earthing important?
📘 View ExplanationQ7. What is insulation in electrical safety?
📘 View ExplanationQ8. Which material is good insulator?
📘 View ExplanationQ9. What is electrical overload?
📘 View ExplanationQ10. What is short circuit?
📘 View ExplanationQ11. What is shock hazard voltage considered dangerous?
📘 View ExplanationQ12. What is PPE in electrical safety?
📘 View ExplanationQ13. Which PPE is used for electricians?
📘 View ExplanationQ14. What is arc flash?
📘 View ExplanationQ15. What causes arc flash?
📘 View ExplanationQ16. What is lockout/tagout procedure?
📘 View ExplanationQ17. What is safe voltage limit for dry conditions?
📘 View ExplanationQ18. What is step potential?
📘 View ExplanationQ19. What is touch potential?
📘 View ExplanationQ20. Which tool is used to detect live wire?
📘 View ExplanationQ21. What is function of MCB?
📘 View ExplanationQ22. What is RCCB used for?
📘 View ExplanationQ23. What is difference between MCB and fuse?
📘 View ExplanationQ24. What is electrical grounding resistance?
📘 View ExplanationQ25. What is safe practice before electrical work?
📘 View ExplanationQ26. What is danger of wet hands with electricity?
📘 View ExplanationQ27. What is electrical fire cause?
📘 View ExplanationQ28. Which extinguisher is used for electrical fire?
📘 View ExplanationQ29. What is safety sign color for danger?
📘 View ExplanationQ30. What is insulating mat used for?
📘 View ExplanationQ31. What is safe working distance in high voltage area?
📘 View ExplanationQ32. What is meaning of hazard in electrical safety?
📘 View ExplanationQ33. What is arc suppression?
📘 View ExplanationQ34. What is protective relay used for?
📘 View ExplanationQ35. What is importance of warning labels in electrical systems?
📘 View ExplanationQ36. What is overvoltage protection device?
📘 View ExplanationQ37. What is electrical safety audit?
📘 View ExplanationQ38. What is purpose of emergency stop switch?
📘 View ExplanationQ39. What is safe ladder material for electrical work?
📘 View ExplanationQ40. What is importance of PPE inspection?
📘 View Explanation
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