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InsemOct 20232019 patternSE Mech

Engineering Materials & Metallurgy (EMM) SPPU Insem Question Paper Oct 2023

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated EMM questions
Subject code
202044
Pattern
2019 pattern
Exam
Insem
Session
Oct 2023
Max. marks
30
Time
1 Hour
Semester
III
Paper code
[6186]-563

Printed for: S.E. (Automobile & Mechanical) (Mechanical Sandwich)

Instructions to the candidates

  1. Attempt Q.1 or Q.2, Q.3 or Q.4.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right indicate full marks.
  4. Assume suitable data, if Necessary.
  5. Use of electronic pocket calculator is allowed.

Questions

  1. Q1

    1. a)

      Draw the following planes in cubic crystal system. i) (101) ii) (100) iii) (111)

      [6]
    2. b)

      Calculate planar atomic density of SC, BCC and FCC on (100) Plane.

      [9]

  2. Q2

    1. a)

      Compare between ductile and brittle fracture.

      [7]
    2. b)

      What is cold working? Why Annealing is required after cold working. Explain recovery, recrystallization and grain growth during annealing process.

      [8]

  3. Q3

    1. a)

      Define formability. Draw Erichsen Cupping test diagram. What do you mean by ‘Radial’ and ‘Circumferential’ cracks observed after testing.

      [6]
    2. b)

      What do you mean by non-destructive testing? Enlist the NDT methods. Explain ultrasonic method of testing.

      Also asked:Oct 2025

      [9]

  4. Q4

    1. a)

      Compare between scanning and transmission electron microscopy on the basis of following points: block diagram, working principle, ‘imag- ing’ process, magnification, use & disadvantages.

      Also asked:Oct 2025

      [7]
    2. b)

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

      [8]