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2019-06-04 17:40:59



1. Principal Components
The average car contains more than 15,000 separate, individual parts that must work together at present. These parts can grouped into four major categories: engine, body, chassis and electrical equipment.

2. Engine
The engine acts as the power unit. The internal combustion engine is most common: this obtains its power by burning a liquid fuel inside the engine cylinder. There are two types of engine :gasoline(also called a spark-ignition engine) and diesel(also called a compression-ignition engine).Both engines are called heat engines; the burning fuel generates heat which causes the gas inside the cylinder to increase its pressure and supply power to rotate a shaft connected to the transmission.

3. Body
An automobile body is a sheet metal shell with windows, doors, a hood, and a trunk deck built into it. It provides a protective covering for the engine, passengers, and cargo. The body is designed to keep passengers safe and comfortable. The body styling provides an attractive, colorful, modern appearance for the vehicle.

4 .Chassis
The chassis is an assembly of those systems that are the major operating part of a vehicle. The chassis includes the transmission, suspension, steering, and brake systems.
Transmission systems- conveys the drive to the wheels. The main components are clutch, gearbox, driveshaft, final drive, and differential.
Suspension-absorbs the road shocks.
Steering- controls the direction of the movement.
Brake-slows down the vehicle.

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