Q1. What is corrosion?
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Q2. Which type of corrosion is most difficult to detect?
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Q3. Pilling-Bedworth Ratio (PBR) less than 1 indicates:
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Q4. Galvanic corrosion occurs when:
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Q5. What is the anodic reaction in corrosion?
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Q6. Cathodic protection involves:
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Q7. Which metal corrodes preferentially and protects other metals when connected?
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Q8. Crevice corrosion is caused due to:
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Q9. Passivation refers to:
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Q10. Which of following is a common corrosion inhibitor?
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Q11. The rate of corrosion depends on:
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Q12. Corrosion resulting in uniform thinning over entire surface is:
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Q13. What is the effect of increasing oxygen concentration on corrosion?
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Q14. Electrochemical corrosion requires:
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Q15. Stress corrosion cracking occurs due to:
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Q16. Which of the following is a method to prevent corrosion?
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Q17. Rust is primarily:
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Q18. Sacrificial anode cathodic protection mainly uses which metal?
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Q19. Passivating metals include:
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Q20. Which process measures corrosion rate?
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Q21. Galvanic series is:
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Q22. Corrosion inhibitors work by:
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Q23. Pitting corrosion is:
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Q24. Stress corrosion cracking primarily affects:
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Q25. Which layer protects stainless steel from corrosion?
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Q26. Cathodic protection is commonly used on:
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Q27. Impressed current cathodic protection requires:
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Q28. Corrosion potential difference between two metals causes:
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Q29. Which corrosion type involves microbial activity?
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Q30. Stress corrosion cracks often initiate at:
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