AU010603 Automotive Transmission B.Tech Model Question Paper : mgu.ac.in
Name of the University : Mahatma Gandhi University
Department : Applied Electronics and Instrumentation
Degree : B.Tech
Subject Code/Name : AU 010 603/Automotive Transmission
Sem : VI
Website : mgu.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/5129-AU%20603.pdf
Automotive Transmission Model Question Paper :
SIXTH SEMESTER :
B.TECH Automobile Engineering :
PART A :
Related : MGU AU010803 Special Types of Vehicles B.Tech Model Question Paper : www.pdfquestion.in/4975.html
Answer ALL Questions : ( 3 * 5 = 15 Marks)
1. Explain the situation where multiplate clutches replace single plate clutches and also explain the reason.
2. Explain shortly the fundamental laws for epicyclic transmission.
3. How a fluid flywheel differs from a torque converter in construction and function.
4. Explain the basic hydrostatic drive principle.
5. Name the different components required for automatic transmission system.
PART B :
Answer ALL Questions : (5 * 5 = 15 Marks)
6. Explain the construction and working of a 5 speed synchromesh gear box with one reverse gear with the help of a neat figure.
7. Explain in detail the principle of overdrive with the explanation for the working of overdrive mechanism.
8. Explain the process of torque transmission and the slip characteristics for a typical torque converter.
9. Compare hydrostatic transmission with hydrodynamic drive.
10. Explain in detail the working of multiplate clutches and band brakes in automatic transmission along with their actuation mechanisms.
PART C :
Answer ALL Questions : ( 12 * 5 = 60 Marks)
11. Explain briefly the construction and working of centrifugal clutches and semi centrifugal clutches with the help of neat figures. Also explain the different requirements of a clutch as a part of power transmission in automobiles.
Or
12. Explain in detail the different types of transmission gear boxes used in automobiles with the help of neat figures.
13. Briefly explain the different laws for epicyclic gear transmission with the help of a neat figure.
Or
14. Explain the construction and working of Wilson gear box with a neat figure.
15. Explain the construction and working of a typical torque converter with the help of a neat figure.
Or
16. Explain the importance of matching of torque converters and different torque converter lock up mechanisms.
17. Explain with a neat figure the construction and working of a typical hydrostatic transmission.
Or
18. Explain the CVT with its constructional details and applications along with the working. Also explain its mechanical and hydrostatic controls.
19. Discuss about the different components of a typical automatic transmission with neat sketches in detail.
Or
20. What are the requirements of automatic transmission with electronic control system?
What is your understanding on ECTi technology in automotive transmission?
Syllabus :
AU010 603: Automotive Transmission
Objectives :
To impart basic knowledge to students with respect to transmission system of automobiles and impart knowledge that will enable the students to understand the latest developments in the field.
Module I : (14 hours)
Clutches : Necessity of clutch in a automobile, different types of clutches, friction clutches, cone clutch, Single plate – multi plate, helical spring` & diaphragm spring clutches, centrifugal clutches, electromagnetic clutches, hydraulic clutches, torque capacity of clutches, clutch facing materials, clutch adjustments, over running clutches, sprag and roller clutches, necessity and field of application.
Gear box : Need for a gear box, types of gear transmission, number of gear ratios, 3 speed and 4 speed transmission, determination of gear ratios for vehicles, performance curves in different gears, Types of gearboxes- progressive & Selective types, sliding mesh, constant mesh, synchromesh gear box, Transfer box, selector mechanism, gear types & materials, gearbox oil seals- static & dynamic seals.
Module II : (12 hours)
Epicyclic transmission : Principle of planetary gear transmission, Fundamental laws, Typical 2 speed and three speed planetary gear box, Ford-T-model gear box – Wilson planetary transmission, Overdrive unit – Principle of Overdrive, Advantage of Overdrive, Electric control system for overdrive.
Module III : (12 hours)
Hydrodynamic drive : Advantages and limitations, fluid flywheel- constructional details, working, merits and demerits, torque transmission and slip characteristics, constructional details of typical torque converters – single and dual stator, matching of torque converters, torque converter lockup-centrifugal, hydraulic & viscous, comparison of torque converter
Module IV : (12hours)
Hydrostatic drive : Basic hydrostatic principle, pump and motor combinations for hydrostatic drives , principles of hydrostatic drive systems: construction and working of typical drives, comparison of hydrostatic with hydrodynamic drives, Continuously variable transmission (CVT) –mechanical and hydrostatic, Relative merits and demerits.
Module V : (10 hours)
Automatic transmission : General description of working of typical automatic transmissions and their control system, components and parts of Automatic transmission, comparison with conventional transmission. Three speed and reverse Transaxle automatic Transmission, ECTi Automatic transmission with intelligent electronic control system.