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