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InsemMar 20232019 patternTE Mech

Transmission System Design (TSD) SPPU Insem Question Paper Mar 2023

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

Open the PDFMost repeated TSD questions
Subject code
302051
Pattern
2019 pattern
Exam
Insem
Session
Mar 2023
Max. marks
30
Time
1 Hour
Semester
II
Paper code
[6009]-368

Printed for: T.E. (Mechanical) (Insem)

Instructions to the candidates

  1. Answer Two questions from the following Q.1 or Q.2 and Q.3 or Q.4.
  2. Draw neat labeled diagrams wherever necessary.
  3. Figures to the right side indicate full marks.
  4. Use of non programable electronic calculator is permitted.
  5. Assume Suitable data if necessary.

Questions

  1. Q1

    1. a)

      Write the assumptions consider for beam strength of spur gear. Derive an expression for beam strength of spur gear tooth

      [5]
    2. b)

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

      [10]

  2. Q2

    1. a)

      What is virtual number of teeth in helical gears? Derive an expression for formative number of teeth in helical gears?

      Also asked:Mar 2024

      [5]
    2. b)

      With neat sketch, explain the force analysis of Helical gears.

      [5]
    3. c)

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

      [5]

  3. Q3

    1. a)

      Compare straight bevel and spiral bevel with sketch. Also explain Hypoid gears.

      [5]
    2. b)

      Explain beam and Wear strenght for Bevel gear drive

      [5]
    3. c)

      A pair of bevel gear consists of number of teeth on pinion and gear are 28 and 42, Take pressure angle 20º, module=6 mm, face width=40 mm. Determine PCD of pinion and gear, Cone distance, Pitch angle for pinion and gear, mid-point radius pinion and gear.

      [5]

  4. Q4

    1. a)

      Write short note on thermal consideration in worm gear.

      [4]
    2. b)

      A pair of worm gear drive is designated as 2/54/10/5. Calculate i) Centre Distance; ii) Speed reduction; iii) Dimensions of worm and wheel.

      [6]
    3. c)

      A pair of worm gear drive is designated as 3/60/10/6. The worm transmits 5 kW at 1440 rpm. Take μ =0.1, α =20º Calculate forces acting on worm and wheel. 

      [5]