AUTOMOBILE ENGINEERING (A62405)
UNIT-I
Introduction:
Power unit
Introduction
to engine lubrication
Engine
servicing.
Fuel System:
S.I. Engine:
Fuel supply
systems,
Mechanical
and Electrical fuel pump.
Filters
Carburetor
-types
Air filters
Petrol
injection.
Introduction to MPFI and GDI Systems.
C.I. Engines:
Requirements
of diesel injection systems
Types of
injection systems,
DI Systems
IOI systems.
Fuel pump
Spray
formation
Injection
timing
Testing of
fuel pumps.
Introduction
CRDI and TOI Systems.
UNIT-II
Cooling
System:
Cooling
Requirements
Air Cooling
Liquid
Cooling
Thermo,
water and Forced Circulation System
Radiators
-Types
Cooling Fan
Water pump
Thermostat
Evaporative
cooling
Pressure
sealed cooling
Antifreeze
solutions.
Ignition
System:
Function of
an ignition system
Constructional
features of storage, battery, auto transformer
Contact
breaker points
Condenser
and spark plug
Electronic
ignition using contact triggers
Spark
advance and retard mechanism.
Electrical
System:
Charging circuit,
generator, current -voltage regulator
Starting
system
Bendix drive
mechanism
Solenoid
switch
lighting
systems
Horn
wiper
fuel gauge
Oil pressure
gauge
Engine
temperature indicator etc.
UNIT
-Ill
Transmission
System:
Clutches - Principle,
Types: Cone
clutch, Single plate clutch, Multi plate clutch, Magnetic and Centrifugal
clutches
Fluid fly
wheel
Gear boxes -
Types -Sliding
mesh, Constantt mesh, Synchro mesh gear boxes, epicyclic gear box,
Over drive
torque converter.
Propeller
shaft
HotchKiss drive,
Torque tube
drive,
Universal
joint,
Differential
rear axles -types –
Wheels and
tyres.
Suspension
System:
Objects of
suspension systems –
Rigid axle
suspension system,
Torsion bar,
Shock
absorber,
Independent
suspension system.
UNIT-IV
Braking
System:
Mechanical
brake system
Hydraulic brake
system
Master cylinder,
wheel cylinder, tandem master cylinder
Requirement
of brake
Fluid,
Pneumatic and vacuum brakes.
Steering
System:
Steering
geometry –
Camber,
Castor,
King pin
rake,
Combined
angle
Toein,
Center point
steering.
Types of
steering mechanism –
Ackerman
steering mechanism,
Davis
steering mechanism,
Steering
gears -types,
Steering
linkages.
UNIT-V
Emissions
from Automobiles
Pollution
standards National and international
Pollution
Control -Techniques
Multipoint
fuel injection for SI Engines.
Common rail
diesel injection
Energy
alternatives
Solar,
Photo-voltaic, hydrogen, Biomass, alcohols, LPG,CNG, liquid Fuels and gaseous
fuels,
Hydrogen as
a fuel for IC Engines. -their merits and demerits.
Standard
Vehicle maintenance practice.