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1192110 Pages:2

PART (^

Answer any four full questions, each carries 10 marks.
What is stiction? Explain with suitable examples.
Write short notes on Surface Tension.
What are the different types of bearing materials
What do you mean by adhesive index.
Differentiate between ball bearing and roller bearings?
List out any four applications of rolling bearings?
Explain the construction of roller bearings .
What is the operation principle of hydrodynamic bearing.
With the help of a neat sketch compare Physical Vapour Deposition and
Chemical Vapour Deposition.
Explain transformation hardening.
Explain the scope of surface engineering
Explain any one of the corrosion Resistant Coatings?
What is Flame Hardening?

Explain surface melting.

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