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Chapter: Mechanical and Electrical - Thermal Engineering - Internal Combustion Engines

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Technical Terms of Internal Combustion Engines

Alternator: A generator producing alternating current used for recharging the vehicle battery. BMEP: Pressure in I.C engine cylinder during the work stroke.

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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