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InsemMar 20262019 patternSE Mech

Manufacturing Processes SPPU Insem Question Paper Mar 2026

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

Subject code
202050
Pattern
2019 pattern
Exam
Insem
Session
Mar 2026
Max. marks
30
Time
1 Hour
Semester
IV
Paper code
APR-26/SE/Insem-317

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

Instructions to the candidates

  1. Solve Q.1 or Q.2 and 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.

Questions

  1. Q1

    1. a)

      Explain different pattern allowances used in pattern making. Explain characteristics of good molding sand.

      [7]
    2. b)

      A cylindrical riser for which diameter of the riser is equal to the height of the riser is to be designed for a sand casting mould for the size of steel casting as 35 mm × 60 mm × 25 mm. The previous observations indicated the total solidification time for the said casting is 72 second. However, find the size of the riser to obtain total solidification time of 112 seconds.

      [8]
  2. Q2

    1. a)

      Illustrate schematic diagram Gating system. Explain components of Gating system used in sand casting.

      [7]
    2. b)

      Explain investment casting process in detail.

      [8]
  3. Q3

    1. a)

      Explain Planetary Rolling Mill with it’s schematic diagram, construction, working & advantages & limitations.

      [7]
    2. b)

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

      [8]
  4. Q4

    1. a)

      Explain with a neat sketch rotary swaging process. Is this process useful for forming parts of both symmetrical and unsymmetrical cross-sections ?

      [7]
    2. b)

      Differentiate between Direct extrusion and Indirect extrusion. What common types of defects occurred in extrusion process? 

      Also asked:Mar 2023

      [8]