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EndsemMay 20232019 patternSE Mech

Manufacturing Processes 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 Manufacturing Processes questions
Subject code
202050
Pattern
2019 pattern
Exam
Endsem
Session
May 2023
Max. marks
70
Time
2½ Hours
Semester
IV
Paper code
[6002]-211

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

Instructions to the candidates

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

Questions

  1. Q1

    1. a)

      Differentiate between a compound die and a combination die.

      [4]
    2. b)

      Explain the method of reducing cutting forces in sheet metal work.

      [4]
    3. c)

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

      Also asked:May 2024 ·Nov 2023

      [10]

  2. Q2

    1. a)

      What is strip layout? Explain with proper sketch.

      [4]
    2. b)

      Washer with 12 mm internal hole and 25 mm outside diameter is to be made from a 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 ·Nov 2023

      [10]
    3. c)

      Explain with neat sketch-Metal spinning 2

      [4]

  3. Q3

    1. a)

      Explain principle of resistance welding with neat sketch. State its advantages and limitations.

      [5]
    2. b)

      Explain different types of flames with neat sketches in gas welding process.

      [6]
    3. c)

      Explain any three welding defects with their causes and remedies.

      Also asked:May 2024

      [6]

  4. Q4

    1. a)

      Differentiate between TIG welding and MIG welding.

      [5]
    2. b)

      Explain submerged arc welding process with neat sketch.

      Also asked:May 2025

      [6]
    3. c)

      What are the functions of coating in coated electrode?

      Also asked:May 2024

      [6]

  5. Q5

    1. a)

      Explain blow moulding with suitable sketch. State its advantages, limitations and applications.

      [6]
    2. b)

      Explain with neat sketch pressure thermoforming. State its advantages and disadvantages.

      [6]
    3. c)

      Explain extrusion process for thermoplastic plastics.

      Also asked:Nov 2023

      [6]

  6. Q6

    1. a)

      With neat sketch describe injection molding process with its advantages. limitations and applications.

      [6]
    2. b)

      Compare between Thermosetting plastic and Thermoplastic plastic.

      Also asked:May 2024

      [6]
    3. c)

      Describe screw type injection moulding with neat sketch.

      Also asked:May 2024 ·Nov 2023

      [6]

  7. Q7

    1. a)

      What are composites? State its advantages. limitations and applications.

      [6]
    2. b)

      Explain fiber reinforced composites and particle reinforced composites.

      [5]
    3. c)

      Differentiate between open mould and closed mould process.

      [6]

  8. Q8

    1. a)

      Explain compression moulding process of composite manufacturing.

      Also asked:May 2024

      [6]
    2. b)

      Write a short note on-polymer matrix composites (PMC)

      Also asked:May 2024

      [5]
    3. c)

      Explain hand lay-up process of composite manufacturing. 

      Also asked:May 2025

      [6]