Describe material selection for fizzy drink bottle.
[7 marks]How metallurgy differs from material science?
[3 marks]Differentiate between poly-crystallin and non-crystalline materials.
[4 marks]What is space lattice? What are the characteristics of a space lattice? With the help of neat sketch explain the term “unit cell”.
[7 marks]What is significance of linear and planer density?
[3 marks]What is the significance of study of metallurgy?
[4 marks]Compute the APF for HCP crystal system. Also give coordination number for HCP structure.
[7 marks]State and explain the Gibb’s phase rule.
[3 marks]What is significance of compaction process in powder metallurgy?
[3 marks]Classify point defects in materials.
[4 marks]Explain ductile and brittle failure of engineering materials.
[7 marks]Explain bragg’s law for x-ray diffraction.
[4 marks]Explain the steps involved in micro-examination of materials. Also give significance of each step.
[7 marks]What is heat treatment of steel? What is its objective?
[3 marks]What is phase diagram? Explain lever rule.
[4 marks]Draw cooling curve of (i) pure metal and (ii) An alloy of two metals which are completely soluble in liquid and solid phase.
[7 marks]List various heat treatment processes applicable to steel.
[3 marks]Define system, phase and degree of freedom.
[4 marks]Describe jominy hardenability test. Why is it required to perform?
[7 marks]Why material loss is minimum during production of powder metallurgical parts?
[3 marks]What are the important critical reactions that appear on iron-iron carbide diagram?
[4 marks]Write steps of MPT and explain in brief.
[7 marks]What are the limitations of MPT?
[3 marks]Differentiate between eutectic and eutectoid reaction in all respect.
[4 marks]Write steps of LPT and explain in brief.
[7 marks]