Transmission System Design (TSD) SPPU Endsem Question Paper May 2025
All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.
- Subject code
- 302051
- Pattern
- 2019 pattern
- Exam
- Endsem
- Session
- May 2025
- Max. marks
- 70
- Time
- 3 Hours
- Semester
- VI
- Paper code
- [6403]-166
Printed for: T.E. (Mechanical)
Instructions to the candidates
- Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
- Neat diagrams should be drawn wherever necessary.
- Figures to the right indicate full marks.
- Assume suitable data wherever necessary.
Questions
Q1
- a)[10]
This part has equations that don’t show as text. Open the PDF to read it.
- b)[7]
Explain the designation of rolling contact bearings and rating life of bearings.
OR- a)
Q2
Q3
- a)[10]
With the help of neat sketch, explain the working of single plate clutch, state its advantages, limitations and applications.
Also asked:Nov 2025
- b)[7]
What are the two theories applied to friction plates? Why clutches are usually designed on the basis of uniform wear?
OR- a)
Q4
- a)[9]
Find the effort applied at the end of the lever for Differential band brake. What is the condition of self-locking in differential band brake? Why should it be avoided in speed-control brakes?
- b)[8]
Draw a figure for is internal expanding shoe brake and write the assumptions on which its analysis depends?
- a)
Q5
- a)[10]
Draw the structure diagram for the following structural formulas and identify the optimum structural formula out of them. Draw the gearing diagram for the optimum structural formula. (i) 2(1) 3(2) (ii) 2(3) 3(1) (iii) 3(2) 2(1) (iv) 3(1) 2(3).
- b)[8]
Explain the following terms with reference to machine tool gear box. i) Range ratio ii) Number of transmission groups or stages iii) Transmission range. iv) Significance of geometric progression ratio.
OR- a)
Q6
- a)[10]
A six speed gear box is to be connected to a motor. The spindle speed ranges between 150 rpm to 1000 rpm. The gear box is driven by 5 kW, 1000 rpm electric motor. i) Draw the structure and speed diagram for the arrangement; ii) Draw the gearing diagram.
- b)[8]
Explain in detail Geometric Progression and Harmonic Progression laws for stepped regulation of speeds in multi-speed gear boxes.
Also asked:Nov 2025
- a)
Q7
ORQ8
- a)[10]
- b)[8]
Explain how the performance analysis carried in Series HEV and parallel HEV?