BE Mechanical Engineering Semester 1 (FE First Year) - University of Mumbai Question Bank Solutions for Applied Chemistry 1

When would solid lubricants are used?

Define lubricants and lubrication. Mention the various mechanisms involved in lubrication of machine. Discuss boundary lubrication.

What are the functions of lubricants.

What is the mathematical form of the Gibbs phase rule equation? Explain the meaning of each one of the term involved in it.

What are lubricants ? Define lubrication .Explain Hydrodynamic lubrication mechanism with neat diagram .

Distinguish between alkaline and non alkaline hardness?

Witte the CVD method for preparation of carbon nanotubes.

State the condensed phase role.

Explain the term 'phase' with appropriate examples.

Discuss the role of gypsum during the manufacturing of Ponland cement.

Calculate the total hardness in ppm in given water sample.
: 50ml of standard hard water , containing 1mg pure CaCO₃ per ml consumed 20ml EDTA solution.
: 50ml of water sample consumed 30ml EDTA solution using EBT indicator.

Explain CVD method for production of CNTs.

Distinguish between the wet and dry process for manufacturing of Portland cement .

Ten thousand litres of hard water was made soft with zeolite. The exhausted zeolite required a total amount of 8 lit of NaCl solution containing 150 gm per litre for regeneration. Calculate the hardness of water.

Draw a neat, labelled diagram of the rotatory kiln.

15000 litres of hard water was passed through a zeolite softener. The exhausted zeolite required 120 litres of NaCI having stream of 30g/l of NaCL Calculate the hardness of water.

Write a note on Ultrafiltration method for purification of water.

What is lubrication? Explain the mechanism of fluid film lubrication.

Distinguish between the dry and wet process for manufacturing of Portland cement.

Explain the mechanism of Extreme pressure lubrication.