1) Explain the terms “Lubricant” and “Lubrication” in detail.
2) Describe how does lubricants categorize? Write down suitable examples.
3) What do you mean by viscosity index?
4) Describe the terms “Cloud Point” and “Pour Point” in detail. Write down their significances.
5) Describe the terms “Flash Point” and “Fire Point” in detail.
6) What do you mean by solid lubricants? What are their applications?
7) What do you mean by Porosity of a refractory?
8) Describe how Silicon Carbide is prepared? Write down its properties and uses in detail.
9) Describe the manufacture properties and uses of alumina and magnesite bricks.
10) Write down the preparation, properties and uses of Boron Carbide in detail.
11) Categorize refractory into different kinds and write down one suitable example for each.