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problem1)a) Define Fretting wear, describe mechanism of Fretting, Factors influencing fretting and preventive measures for Fretting

b) describe with neat sketch Tilting pad journal bearing.

c) Differentiate between Hydrostatic and Hydrodynamic lubrication.

problem 2a) describe Bearing materials, composition of bearing materials and Thrust bearings.

b) Derive an expression for Viscosity.

c) describe properties of lubricants.

problem3)a) describe with neat sketch Efflux viscometer.

b) What are the steps for wear prevention.

c) prepare a short note on the current concepts of boundary friction and dry friction.

problem4)a) describe with neat sketch lubrication and wear in Drawing and sheet metal working process.

b) describe corrosive wear and abrasive wear.

problem5)a) describe with neat sketch antifriction bearing and Hydrostatic thrust bearing

b) describe the mechanism of Hydrodynamic instability.

problem6)a) Derive the Navier stokes equation.

b) Differentiate between Tribology and Terotechnology.

• Category:- Physics
• Reference No.:- M94456

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