TECHNICAL TERMS
Alternator: A
generator producing alternating current used for recharging the vehicle battery.
BMEP: Pressure in I.C engine cylinder
during the work stroke.
Cam shaft: A shaft
having number of cams at appropriate angular position for opening the valves
at timing relative to the piston movement.
Carburation: Air fuel mixing of correct
strength
Catalytic converter: Convert
toxic gases produced by I.C engines
Clearance volume: volume of
engine cylinder above the piston when it is in the TDC position.
Combustion chamber: The
small space in the engine cylinder head and or piston into which air
fuel mixture(petrol engine) or air (diesel engine) is compressed and burnt.
Connecting rod: it
converts the linear motion of the piston into the rotary motion of the crank
shaft.
EGR system: Exhaust gas recirculation
Fly wheel: A heavy
metallic wheel attached to the engine crankshaft to smoothen out the power
surges from the engine power strokes.
Governer: A
mechanical or electronic device to restrict the performance of an engine usually
for reason of safety.
Idle screw: A screw on the carburetor
for adjusting the idling speed of the engine.
Detonation: An
uncontrolled explosion of the unburnt air fuel mixture in the engine cylinder.
Pre-ignition: Ignition of air-fuel
mixture earlier than the spark plug.
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