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EndsemMay 20232019 patternSE Mech

Engineering Materials & Metallurgy (EMM) SPPU Endsem Question Paper May 2023

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated EMM questions
Subject code
202044
Pattern
2019 pattern
Exam
Endsem
Session
May 2023
Max. marks
70
Time
2½ Hours
Semester
III
Paper code
[6002]-206

Printed for: S.E. (Mechanical/Automobile/ Mechanical SW/ Automation & Robotics)

Instructions to the candidates

  1. Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Figures to the right side indicate full marks.
  3. Use Graph paper for graphical solution.
  4. The use of an electronic pocket calculator is allowed.
  5. Assume Suitable data if necesary.

Questions

  1. Q1

    1. a)

      Explain Gibbs phase rules for metallurgical application?

      Also asked:May 2025

      [6]
    2. b)

      Discuss nucleation & crystal growth in solidification of pure metals?

      Also asked:Nov 2023

      [6]
    3. c)

      With neat lables draw Iron Carbon Equilibrium Diagram?

      Also asked:May 2025 ·Nov 2023

      [6]

  2. Q2

    1. a)

      Explain homogenous and heterogeneous nucleation with neat sketches.

      Also asked:Nov 2023

      [6]
    2. b)

      List and explains all critical temperature of Iron Carbon Equilibrium Diagram?

      Also asked:May 2025

      [6]
    3. c)

      Draw neat microstructures of the following. i) 0.2% carbon steel, ii) 0.8% carbon steel iii) 1.2% carbon steel

      Also asked:Nov 2023

      [6]

  3. Q3

    1. a)

      What is tempering process? Why tempering is carried out after hardening? List classification and application of tempering process?

      [6]
    2. b)

      What is retained austenite & how it affects properites of steel? List process to remove retain austenite.

      [6]
    3. c)

      Define hardenability? Differentiate betwen austempering and Martempering with diagram? 2

      Also asked:Nov 2023

      [5]

  4. Q4

    1. a)

      Define annealing and explain types of annealing?

      [6]
    2. b)

      Draw isothermal time temperature transformation diagram? What is the importance of TTT diagrams in Heat Treatment processes?

      Also asked:Nov 2023

      [6]
    3. c)

      Differentiate between Carburizing and Nitriding.

      [5]

  5. Q5

    1. a)

      What is IS, AISI and SAE? Explain in detail.

      [6]
    2. b)

      Define steel? Explain classification of steel with application?

      Also asked:Nov 2023

      [6]
    3. c)

      Draw the microstructure of Grey Cast Iron, White Cast Iron and Nodular Cast Iron.

      Also asked:Nov 2025 ·May 2025 ·Nov 2023

      [6]

  6. Q6

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      Write a short note on Grey Cast Iron and Nodular Cast Iron.

      Also asked:Nov 2025 ·May 2025 ·Nov 2023

      [6]
    3. c)

      Write short note on tool steel?

      [6]

  7. Q7

    1. a)

      Give typical composition, important properties and applications of Inconel?

      Also asked:Nov 2023

      [6]
    2. b)

      What is age hardening? Explain with example applications of age hardening?

      Also asked:Nov 2023

      [6]
    3. c)

      List important properties of aluminium? Write composition and application of duralumin?

      Also asked:Nov 2023

      [5]

  8. Q8

    1. a)

      Give typical composition, important properties and applications of Cartridge brass?

      Also asked:Nov 2023

      [6]
    2. b)

      Differentiate between Brass and Bronze?

      [6]
    3. c)

      What properties are required for bearing materials? Give composition of any two nonferrous alloy used as bearing? 

      [5]