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EndsemNov 20232019 patternSE Mech

Engineering Materials & Metallurgy (EMM) SPPU Endsem Question Paper Nov 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
Nov 2023
Max. marks
70
Time
2½ Hours
Semester
III
Paper code
[6179]-329

Printed for: S.E.

Instructions to the candidates

  1. Answer Q. No. 1 or Q. No. 2, Q. No. 3 or Q. No. 4, No.5 or Q.No. 6, Q.No. 7or Q.No.8.
  2. The figures to the right 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 necessary.

Questions

  1. Q1

    1. a)

      With neat labels draw Iron Carbon Equilibrium Diagram?

      Also asked:May 2025 ·May 2023

      [6]
    2. b)

      Discuss nucleation & crystal growth in solidification of pure metals?

      Also asked:May 2023

      [6]
    3. c)

      Discuss Hume Rothery rules for substitutional solid solutions?

      Also asked:May 2024

      [6]

  2. Q2

    1. a)

      Explain homogenous and heterogeneous nucleation with neat sketches.

      Also asked:May 2023

      [6]
    2. b)

      What is Equilibrium diagram? With diagram explain three important reactions in Iron Carbon Equilibrium diagram?

      [6]
    3. c)

      Draw neat microstructures of the following: i) 0.2% carbon steel, ii) 0.8% carbon steel iii) 1.2% carbon steel 2

      Also asked:May 2023

      [6]

  3. Q3

    1. a)

      Write short note on carburizing and list its applications?

      [6]
    2. b)

      Explain the transformation of austenite into pearlite and bainite with neat sketch?

      Also asked:May 2025

      [6]
    3. c)

      Define hardenability? Differentiate between austempering and Martempering withdiagram?

      Also asked:May 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:May 2023

      [6]
    3. c)

      Differentiate between Carburizing and Nitriding.

      [5]

  5. Q5

    1. a)

      Explain classification of Alloying Elements of steel with respect to the relation with carbon. Give examples for each category?

      [6]
    2. b)

      Define steel? Explain classification of steel with applications?

      Also asked:May 2023

      [6]
    3. c)

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

      Also asked:Nov 2025 ·May 2025 ·May 2023

      [6]

  6. Q6

    1. a)

      State the composition of the following steel which is specified as per Indian Standard Designation System: i) T75W18Cr4V1 ii) Fe410K iii) C20 iv) St 310K v) 80 T11 vi) FeE330

      [6]
    2. b)

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

      Also asked:Nov 2025 ·May 2025 ·May 2023

      [6]
    3. c)

      Discuss effect of alloying elements on steel.

      Also asked:May 2025

      [6]

  7. Q7

    1. a)

      Give typical composition, important properties and applications of Inconel?

      Also asked:May 2023

      [6]
    2. b)

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

      Also asked:May 2023

      [6]
    3. c)

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

      Also asked:May 2023

      [5]

  8. Q8

    1. a)

      Write short note on: Titanium and its alloys

      [6]
    2. b)

      Differentiate between Brass and Bronze?

      [6]
    3. c)

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

      [5]