Define corrosion. Enlist different methods of corrosion prevention.
[3 marks]Briefly discuss different losses due to corrosion.
[4 marks]Explain role of material selection to combat corrosion in Automobiles.
[7 marks]Write a short note on dezincification.
[3 marks]Explain the difference between corrosion protection by noble coating and active coating.
[4 marks]Describe the causes of possible corrosion failure of marine diesel engine oil cooler. Suggest preventive measures.
[7 marks]Marine component stud and mooring fails in Corrosive environment. Identify the type of corrosion, possible Causes and suggest remedies.
[7 marks]Which type of corrosion is possible in heat recovery steam generator of a power plant? Justify answer.
[3 marks]Discuss mechanism of corrosion in above Q.3(a). Suggest remedies.
[4 marks]Coal base thermal power plant heat exchanger working at high velocity of fluids. Identify & justify possible corrosion. Suggest remedial measures.
[7 marks]Identify possible corrosion related failures in a car body.
[3 marks]Suggest remedies for corrosion related failures in a car body.
[4 marks]Write a note on corrosive environment in Power industries. Suggest some candidate materials.
[7 marks]Describe causes of Stress corrosion cracking in elbow steel pipe.
[3 marks]Explain mechanism of corrosion in above Q. 4 (a). Suggest remedies.
[4 marks]Describe the electroplating method. Discuss factors affecting electroplating.
[7 marks]“Corrosion is a natural phenomenon.” Comment.
[3 marks]Explain anodic protection method to combat corrosion.
[4 marks]Corrosion failure occurs in a 316 SS drain pipe line in a refinery. Identify the Corrosion and its causes. Suggest remedial measures.
[7 marks]Describe the importance of pitting resistance equivalent number.
[3 marks]Explain cathodic protection method to combat corrosion.
[4 marks]Describe the causes of corrosion in underground section of cooling water pipeline in fertilizer plant. Suggest some preventive measures.
[7 marks]Heat exchanger tube fails in a fertilizer plant due to corrosion damage. Identify the possible corrosion and causes.
[3 marks]Explain mechanism of corrosion in above Q. 5 (a). Suggest remedies.
[4 marks]Describe the corrosion resistance materials, can be used in Infrastructure.
[7 marks]