Previous year question paper for AT (B-TECH automobile engineering 5th)

Automotive transmissions

Previous year question paper with solutions for Automotive transmissions from 2012 to 2020

Our website provides solved previous year question paper for Automotive transmissions from 2012 to 2020. Doing preparation from the previous year question paper helps you to get good marks in exams. From our AT question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

Introduction

Need for Transmission system. Tractive Effort and Resistances to Motion of a vehicle. Requirements of

transmission system. Classification of Transmission systems. Single, Two or Four Wheel drive systems. Multi

axle drives. Chain, Shaft and Electric drives. Location of transmission system. Different transmissions in scooter,

car, MUVs and transport vehicles of Indian make.

Clutch

Principle of operation, Constructional details, torque capacity and design aspects. Different types of clutches.

Operation of single plate: helical spring and 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.

Gear box

Determination of gear ratios for vehicles. Performance characteristics in different speeds. Different types of gear

boxes – sliding, constant and synchromesh type. Need for double declutching and working of synchronizing unit.

Power and economy modes in gearbox. Transfer box. Transaxles. Overdrives. Gear shifting mechanisms –

mechanical link and wire types

Hydrodynamic drive

Fluid coupling- principle of operation, constructional details. Torque capacity. Performance characteristics,

Reduction of drag torque. Torque converter-Principle of operation, constructional details, performance

characteristics, converter coupling, multistage torque converters and Polyphase torque converters.

Hydrostatic drive

Hydrostatic drive - Various types of hydrostatic systems - Principles of hydrostatic drive system, Advantage and

limitations, Comparison of hydrostatic drive with hydrodynamic drive - Construction and working of typical Janny

hydrostatic drive.

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.

Automatic transmission applications

Chevrolet "Turboglide" Transmission, Powerglide Transmission Toyota "ECT-i" Automatic Transmission with

Intelligent Electronic controls system, Hydraulic Actuation system. 

2020
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2018
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2017
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2016
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2015
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2014
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2013
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2012
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