Hello sir I am here as I want to get the Previous Year Question paper of Tribology of VTU so will you please provide me the Question paper??

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Question paper of Tribology of VTU





Syllabus of Tribology of this University is

Part A

Unit-1
Introduction To Tribology
Properties of oils and equation of flow: Viscosity, Newton’s Law of viscosity, Hagen-Poiseuille Law, Flow between parallel stationary planes, viscosity measuring apparatus. Lubrication principles, classification of lubricants.

Unit-2
Hydrodynamic Lubrication
Friction forces and power loss in lightly loaded bearing, Petroff’s law, Tower’s experiments, mechanism of pressure development in an oil film, Reynold’s investigation and Reynold’s equation in 2D.

Unit-3
Idealized Journal Bearing
Introduction to idealized journal bearing, load carrying capacity, condition for equilibrium, Sommerfeld’s numbers and significance of it; Partial bearings, end leakages in journal bearing, numerical problems.

Unit-4
Slider / Pad Bearing With A Fixed And Pivoted Shoe
Pressure distribution, Load carrying capacity, coefficient of friction, frictional resistance in a pivoted shoe bearing, numerical examples.

Part B

Unit-5
Oil Flow And Thermal Equilibrium Of Journal Bearing
Oil flow through bearings, self-contained journal bearings, bearings lubricated under pressure, thermal equilibrium of journal bearings.

Unit-6
Hydrostatic Lubrication
Introduction to hydrostatic lubrication, hydrostatic step bearings, load carrying capacity and oil flow through the hydrostatic step bearing.

Unit-7
Bearing Materials
Commonly used bearings materials, properties of typical bearing materials. Advantages and disadvantages of bearing materials.

Unit-8
Behavior Of Tribological Components
Selection, friction, Wear of ceramic materials, wear measurements, effects of speed, temperature and pressure. Tribological measures, Material selection, improved design, surface engineering