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Transmission System Design (TSD) important questionsMost repeated in SPPU papers

These 23 questions appeared in more than one SPPU Transmission System Design paper we have: 7 papers, from Mar 2023 to Nov 2025. The most-asked come first. Each one links to the papers it was asked in.

All TSD papers and notes

Repeated questions

Endsem questions (22)

  1. 5×asked

    Explain a hybrid electric vehicle with the help of a block diagram and state its advantages and disadvantages.

    Nov 2025 ·May 2025 ·May 2024 ·Nov 2023 ·May 2023

  2. 4×asked

    Explain Power Split Device with neat sketch.

    Nov 2025 ·May 2025 ·Nov 2023 ·May 2023

  3. 4×asked

    Explain the sizing performance for HEV components. Explain the optimal sizing in HEV components. eeee

    Nov 2025 ·May 2024 ·Nov 2023 ·May 2023

  4. 4×asked

    Explain with a neat sketch hydrodynarnic bearing and derive Petroff’s equation for hydrodynamic bearing.

    Nov 2025 ·May 2024 ·Nov 2023 ·May 2023

  5. 4×asked

    State the assumptions made in deriving Reynold’s equation. Write Reynold’s equation for 2-D flow and explain each term in it.

    May 2025 ·May 2024 ·Nov 2023 ·May 2023

  6. 3×asked

    Define Degree of Hybridization. Explain in details Micro Hybrid and Mild Hybrid.

    Nov 2025 ·May 2024 ·Nov 2023

  7. 3×asked

    Derive the Stribeck equation for the static capacity of bearings. State the assumption made. 2

    Nov 2025 ·Nov 2023 ·May 2023

  8. 3×asked

    Draw the structure diagrams for the following structural formulae and identify the optimum structural formula out of them. Draw the gearing diagram for the structural formula. i) 2(1) 3(2) ii) 2(3) 3(1) iii) 3(2) 2(1) iv) 3(1) 2(3)

    Nov 2025 ·May 2025 ·May 2023

  9. 3×asked

    What are the two theories applied to friction plates? Why clutches are usually designed on the basis of uniform wear?

    May 2025 ·May 2024 ·Nov 2023

  10. 3×asked

    Draw neat sketch diagram of Cone clutch and explain construction and working. State the advantages, disadvantages and practical applications of Cone clutch?

    May 2024 ·Nov 2023 ·May 2023

  11. 3×asked

    Explain the significance of geometric progression ratio.

    May 2024 ·Nov 2023 ·May 2023

  12. 3×asked

    What is structural formula? Write any three structural formulae for twelve speed gear box.

    May 2024 ·Nov 2023 ·May 2023

  13. 2×asked

    Explain design variables and performance variables of hydrodynamic journal bearing.

    Nov 2025 ·May 2025

  14. 2×asked

    Explain in detail Arithmetic Progression and Geometric Progression laws for stepped regulation of speeds in multi-speed gear boxes. 3

    Nov 2025 ·May 2025

  15. 2×asked

    Explain the band brake with a neat sketch and find the effort applied at the end of the lever for Simple band brakes also state the advantages and disadvantages of band brakes.

    Nov 2025 ·May 2023

  16. 2×asked

    With the help of neat sketch, explain the working of cone clutch, state its advantages, limitations and applications.

    Nov 2025 ·May 2025

  17. 2×asked

    Differentiate between arithmetic, geometric and Harmonic progressions in case of design of gear box.

    May 2024 ·May 2023

  18. 2×asked

    Explain The basic modes of operations used Hybrid Electric Vehicle?

    May 2024 ·May 2023

  19. 2×asked

    Explain the term: Transmission range with reference to machine tool gear box.

    May 2024 ·May 2023

  20. 2×asked

    What are the characteristics for material used for brake lining? Name the materials used?

    May 2024 ·May 2023

  21. 2×asked

    State the Advantages and limitations of Hydrodynamic Bearing?

    Nov 2023 ·May 2023

  22. 2×asked

    What is the condition of self-locking in differential band brake? Why should it be avoided in speed-control brakes? Explain self-energizing block brake and self locking block brake.

    Nov 2023 ·May 2023

Insem questions (1)

  1. 2×asked

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

    Mar 2024 ·Mar 2023

Questions count as repeated when their wording matches closely across papers. Numericals that depend on a figure are left out, since the figure changes from paper to paper.