Automobile Transmission
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Automobile Transmission Syllabus — Unit-wise Content
The official GTU curriculum for Automobile Transmission (subject code 2150207) as prescribed for Auto · Semester 5 divides the course into 7 units, covering 50 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (2150207)Unit 1 Introduction
- Need for Transmission system
- Tractive Effort and Resistances to Motion of a vehicle
- Requirements and Classification of Transmission systems
- Two and Four Wheel drive systems
- Multi axle drives
- Shaft and Electric drives
- Location of transmission system
- Different transmissions in scooter, car, MUVs and transport vehicles of Indian make
Unit 2 Clutch
- Principle of operation
- Constructional details
- calculation of torque capacity
- axial force
- Different types of clutches
- Operation of single plate helical spring
- diaphragm type, and multiplate clutch
- Centrifugal and Automatic Clutch
- Dry and Wet type of clutch
- Friction lining materials
- Over-running clutch
- Modes of operating a clutch – mechanical
- hydraulic and electric
- clutch maintenance
Unit 3 Gear box
- Objective of the Gear Box, Determination of gear ratios for vehicles
- Performance characteristics in different speeds
- Different types of gear boxes – sliding
- constant and synchromesh type
- Planetary gear box, Need for double declutching and working of synchronizing unit
- Power and economy modes in gearbox
- Transfer box, Transaxles
- Gear shifting mechanisms
- mechanical link and wire types
- Gear box maintenance
Unit 4 Hydrodynamic drive
- Fluid coupling
- Principle of operation
- Constructional details
- Torque capacity
- Performance characteristics
- Reduction of drag torque
- Torque converter-Principle of operation
- Converter coupling – Construction - Free wheel – Characteristic performance
Unit 5 Hydrostatic drive
- Hydrostatic drive – principle
- limitations - Comparison of hydrostatic drive with hydrodynamic drive - Construction and working of typical Janny hydrostatic drive
Unit 6 Electric drive
- Electric drive
- Principle of early and modified Ward Leonard Control system
- Advantage & limitations
- Performance characteristics
- Study of drive system in an electric and hybrid vehicle
Unit 7 Automatic transmission applications
- Chevrolet "Turbo glide" Transmission
- Power glide Transmission Toyota "ECT-i" Automatic Transmission with Intelligent Electronic controls system
- Hydraulic Actuation system
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