Question 1:
Discuss the mechanism of the chemical corrosion. Discuss the role of oxide film in chemical corrosion and classify them.
Question 2:
Illustrate out the term corrosion inhibitors? Make a distinction between anodic and Cathodic inhibitors.
Question 3:
Illustrate out the preliminary treatment given to metallic surface before coating.
Question 4:
Write down the importance of Gibb’s phase rule? Describe its applications and limitations.
Question 5:
Write down short note on structure of the graphite and its use as a lubricant.
Question 6:
How do viscosity and viscosity index affect the selection of the lubricants for particular purpose?