Explain the requirement of engineering materials.
[3 marks]Draw miller indices for planes (011), (100) and (111) and directions [011], [100] and [111] in a simple cubic crystal.
[4 marks]Draw iron-iron carbide equilibrium diagram. Explain important phases in it. Discuss the phase transformation takes place for the eutectoid steel from liquid to room temperature.
[7 marks]Differentiate between deformation by slip and twinning.
[3 marks]What is sintering? Why is sintering carried out in controlled atmosphere furnace?
[4 marks]Explain working principle of eddy current test. Mention various applications of eddy current test.
[7 marks]Explain jominy hardenability test with a neat sketch.
[7 marks]Write limitations of RT and UT.
[3 marks]Why normalizing produces structure having superior strength and hardness compared to annealing?
[4 marks]Justify the need of heat treatment processes for metals. Explain with neat sketch TTT diagram for heat treatment of steel.
[7 marks]Explain various methods of magnetization used in MPT.
[3 marks]Write purpose of the case hardening heat treatment and explain any one in details.
[4 marks]What is atomic packing factor? Derive APF for hexagonal closed pack structure with neat sketch.
[7 marks]What information may be obtained from an equilibrium diagram?
[3 marks]Explain the procedure of specimen preparation for microstructure examination.
[4 marks]List down merits and limitations of powder metallurgy.
[7 marks]Define the following material properties (i) Ductility (ii) creep and (iii) Hardness.
[3 marks]Explain any two mechanical process utilized for metal powder production.
[4 marks]What is NDT? Explain in details radiography testing method with advantages, disadvantages and applications of radiographic testing method.1
[7 marks]What are the advantages of Austempering and Martempering?
[3 marks]Differentiate between polymers and composite materials.
[4 marks]Explain point defect, line defect and plane defect.
[7 marks]Explain optical metallurgical microscope with neat sketch.
[3 marks]Differentiate between interstitial defects and substitutional defects.
[4 marks]Explain the “hume-rothery rules” for solid solution, with suitable case study.
[7 marks]