Skip to content
EndsemMay 20242019 patternSE Mech

Manufacturing Processes SPPU Endsem Question Paper May 2024

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

Subject code
202050
Pattern
2019 pattern
Exam
Endsem
Session
May 2024
Max. marks
70
Time
2½ Hours
Semester
IV
Paper code
[6261]-122

Printed for: S.E. (Automobile and Mechanical /

Instructions to the candidates

  1. 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.
  2. Figures to the right indicate full marks.
  3. Neat diagrams must be drawn wherever necessary.
  4. Assume Suitable data if necessary.

Questions

  1. Q1

    1. a)

      what is forming Limit diagram? How to draw forming limit diagram?

      [8]
    2. b)

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

      Also asked:Nov 2023 ·May 2023

      [10]
  2. Q2

    1. a)

      What is center of Pressure? Enumerate the procedure to calculate center of pressure.

      [8]
    2. b)

      Washer with 10 mm internal hole and 25 mm outside diameter is to be made from a strip of 2 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 clearnace to be 5% of the stock thickness. Also calculate maximum cutting force if ultimate shear strength is 450 N/mm 2 . 2

      Also asked:Nov 2023 ·May 2023

      [10]
  3. Q3

    1. a)

      Discuss the factors on which selection of welding processes depends.

      [5]
    2. b)

      Explain GTAW process with neat sketch.

      [6]
    3. c)

      Explain SAW process with neat sketch.

      [6]
  4. Q4

    1. a)

      enumerate the function of coating in flux coated electrode?

      Also asked:May 2023

      [5]
    2. b)

      State and explain any three welding defects with their causes.

      Also asked:May 2023

      [6]
    3. c)

      Explain the seam welding process with neat sketch.

      [6]
  5. Q5

    1. a)

      Compare Thermoplastics and Thermosetting plastics.

      Also asked:May 2023

      [6]
    2. b)

      What are the typical mold temperature for compression molding? What is the most common mold materials?

      [6]
    3. c)

      What are some of the attractive features of transfer molding process?

      [6]
  6. Q6

    1. a)

      Write short note on Thermoforming process in plastics.

      [6]
    2. b)

      Describe screw type injection molding with neat sketch.

      Also asked:Nov 2023 ·May 2023

      [6]
    3. c)

      Explain Compression molding process in plastics with neat sketch.

      [6]
  7. Q7

    1. a)

      Write short note on polymer matrix composites.

      Also asked:May 2023

      [5]
    2. b)

      Explain filament winding process in details with sketch.

      [6]
    3. c)

      write short note on metal matrix composites.

      Also asked:May 2025

      [6]
  8. Q8

    1. a)

      Write a note on “Nano-composites”.

      [5]
    2. b)

      Discriminate between ceramic matrix, metal matrix and polymer matrix composites.

      [6]
    3. c)

      Explain compression molding process of composite manufacturing. 

      Also asked:May 2023

      [6]