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EndsemNov 20232019 patternSE Mech

Manufacturing Processes 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 Manufacturing Processes questions
Subject code
202050
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2023
Max. marks
70
Time
2½ Hours
Semester
IV
Paper code
[6179]-324

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

Instructions to the candidates

  1. Neat diagrams must be drawn wherever necessary.
  2. Figures to the right indicate full marks.
  3. Assume Suitable data if necessary and mention it clearly.
  4. All questions are compulsory i.e. Solve Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.

Questions

  1. Q1

    1. a)

      Compare Compound Die and Progressive dies with neat sketch.

      [8]
    2. b)

      Find center of pressure of the component as shown in fig.

      Also asked:May 2024 ·May 2023

      [10]

  2. Q2

    1. a)

      Explain following press-working operations with neat sketch. i) Punching, ii) Blanking, iii) Lancing, iv) Perforating

      [8]
    2. b)

      A Washer with a 12.7 mm internal hole and 25.4 mm outside diameter is to be made from a MS strip of 1.5 mm thickness. Considering elastic recovery of the material, find i) Clearance ii) Blanking die opening size iii) Blanking punch size iv) Piercing punch size v) Piercing die opening size. Assume clearance to be 5% of the stock thickness.

      Also asked:May 2024 ·May 2023

      [10]

  3. Q3

    1. a)

      Differentiate between Brazing and soldering.

      [5]
    2. b)

      With neat sketches state the characteristics of gas welding flames.

      [6]
    3. c)

      Explain Gas Tungsten Arc welding (GTAW) with neat sketch.

      [6]

  4. Q4

    1. a)

      Classify welding processes according to source of heat generation.

      [5]
    2. b)

      Explain Single carbon arc Welding with neat sketch.

      [6]
    3. c)

      Explain Metal Inert Gas Welding process with neat sketch.

      [6]

  5. Q5

    1. a)

      State any two applications of each of the following processes : i) Transfer Molding, ii) Injection Molding, iii) Thermoforming process

      [6]
    2. b)

      What are some of the attractive properties of plastics over metals? What are some of the major limitations of plastics over metals?

      [6]
    3. c)

      Compare between Thermosetting and Thermoplastic.

      [6]

  6. Q6

    1. a)

      Explain extrusion process for thermoplastic plastics.

      Also asked:May 2023

      [6]
    2. b)

      Explain blow molding with suitable sketch.

      [6]
    3. c)

      Describe screw type injection moulding with neat sketch.

      Also asked:May 2024 ·May 2023

      [6]

  7. Q7

    1. a)

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

      [6]
    2. b)

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

      [5]
    3. c)

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

      [6]

  8. Q8

    1. a)

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

      [6]
    2. b)

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

      [5]
    3. c)

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

      [6]