Corrosion Engineering MCQ
Q1. What is corrosion?
📘 View ExplanationQ2. Which type of corrosion is most difficult to detect?
📘 View ExplanationQ3. Pilling-Bedworth Ratio (PBR) less than 1 indicates:
📘 View ExplanationQ4. Galvanic corrosion occurs when:
📘 View ExplanationQ5. What is the anodic reaction in corrosion?
📘 View ExplanationQ6. Cathodic protection involves:
📘 View ExplanationQ7. Which metal corrodes preferentially and protects other metals when connected?
📘 View ExplanationQ8. Crevice corrosion is caused due to:
📘 View ExplanationQ9. Passivation refers to:
📘 View ExplanationQ10. Which of following is a common corrosion inhibitor?
📘 View ExplanationQ11. The rate of corrosion depends on:
📘 View ExplanationQ12. Corrosion resulting in uniform thinning over entire surface is:
📘 View ExplanationQ13. What is the effect of increasing oxygen concentration on corrosion?
📘 View ExplanationQ14. Electrochemical corrosion requires:
📘 View ExplanationQ15. Stress corrosion cracking occurs due to:
📘 View ExplanationQ16. Which of the following is a method to prevent corrosion?
📘 View ExplanationQ17. Rust is primarily:
📘 View ExplanationQ18. Sacrificial anode cathodic protection mainly uses which metal?
📘 View ExplanationQ19. Passivating metals include:
📘 View ExplanationQ20. Which process measures corrosion rate?
📘 View ExplanationQ21. Galvanic series is:
📘 View ExplanationQ22. Corrosion inhibitors work by:
📘 View ExplanationQ23. Pitting corrosion is:
📘 View ExplanationQ24. Stress corrosion cracking primarily affects:
📘 View ExplanationQ25. Which layer protects stainless steel from corrosion?
📘 View ExplanationQ26. Cathodic protection is commonly used on:
📘 View ExplanationQ27. Impressed current cathodic protection requires:
📘 View ExplanationQ28. Corrosion potential difference between two metals causes:
📘 View ExplanationQ29. Which corrosion type involves microbial activity?
📘 View ExplanationQ30. Stress corrosion cracks often initiate at:
📘 View ExplanationQ31. Metal passivation creates:
📘 View ExplanationQ32. Cyclic polarization curves are used to study:
📘 View ExplanationQ33. Which condition accelerates corrosion?
📘 View ExplanationQ34. Role of oxygen in aqueous corrosion is:
📘 View ExplanationQ35. Electrochemical corrosion cell requires:
📘 View ExplanationQ36. Corrosion scale formation can:
📘 View ExplanationQ37. Which is an effective rust prevention method?
📘 View ExplanationQ38. Electrochemical corrosion is reversible?
📘 View ExplanationQ39. Oxidation occurs at:
📘 View ExplanationQ40. Which is commonly used to measure corrosion rate?
📘 View Explanation
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