Automotive Systems Flashcards

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Questions and Answers

What is the definition of an Automotive System?

A collection of systems that provide energy

A group of unrelated parts that perform various functions

Parts of the car that do not interact with each other

A group of related parts that perform a specific function (correct)

What does the Body and Chassis System include?

Body, frame, suspension, steering, braking

What is the function of Electrical Systems in a car?

Operate electrical devices like ignition, charging, starting, and lighting.

What is the purpose of Engine Systems?

Provide power for the car. Signup and view all the answers

What do Powertrain Systems utilize to propel the car?

Engine power Signup and view all the answers

What are Emission Control Systems designed to do?

Reduce air pollution Signup and view all the answers

Accessory Systems increase passenger _____ and convenience.

comfort Signup and view all the answers

What is the primary role of The Car Body?

Serves as an attractive covering for the chassis. Signup and view all the answers

What does the Chassis include?

Everything but the car body Signup and view all the answers

What is the function of the Frame in a car?

Supports the other components of the car. Signup and view all the answers

A Unitized Body means that cars use the internal body structure as a frame.

True Signup and view all the answers

What does the Suspension System do?

Allows the car's wheels to move up and down. Signup and view all the answers

What is the purpose of the Steering System?

Allows the driver to control vehicle direction. Signup and view all the answers

What does the Brake System do?

Produces friction to reduce or stop the car. Signup and view all the answers

What is the role of the Engine?

Provides the energy to propel the car. Signup and view all the answers

What does the Fuel System provide?

The correct mixture of air and fuel. Signup and view all the answers

What is the function of the Cooling System?

Maintains a constant engine operating temperature. Signup and view all the answers

What does the Lubrication System do?

Reduces friction and wear between internal engine parts. Signup and view all the answers

What is the function of the Ignition System?

Needed on gasoline engines to ignite the air-fuel mixture. Signup and view all the answers

What does the Starting System do?

Has an electric motor that rotates the engine crankshaft. Signup and view all the answers

What is the role of the Charging System?

Needed to replace electrical energy drawn from the battery. Signup and view all the answers

What is the function of a Computer System in a car?

Uses electronic devices to help efficiency. Signup and view all the answers

What does the Exhaust System do?

Quiets engine operation and routes exhaust gases. Signup and view all the answers

What is the Power Train's function?

Transfers turning force from the engine to the car's drive wheels. Signup and view all the answers

What does the Clutch allow the driver to do?

Engage or disengage the engine and transmission. Signup and view all the answers

What is the purpose of a Manual Transmission?

Lets the driver change gear ratios and engine torque. Signup and view all the answers

An Automatic Transmission requires the driver to shift manually.

False Signup and view all the answers

What is a Drive Shaft's function?

Transfers power from the transmission to the rear axle assembly. Signup and view all the answers

What does the Rear Axle contain?

A differential and two axles. Signup and view all the answers

What is a Transaxle?

Contains a transmission and differential in one case. Signup and view all the answers

What defines a Multi-Cylinder Engine?

An engine with 4, 6, 8, or even 10 cylinders. Signup and view all the answers

What is the function of a Carburetor Fuel System?

Uses engine vacuum to draw fuel into the engine. Signup and view all the answers

What does Gasoline Injection do?

Uses computer sensors and electronically operated injectors. Signup and view all the answers

What is Diesel Injection?

An electronic system that forces diesel oil into the combustion chamber. Signup and view all the answers

What is the Four Stroke Cycle?

The cycles in which the air-fuel mixture is brought into the cylinder. Signup and view all the answers

What happens during the Intake Stroke?

The piston travels down and the intake valve opens. Signup and view all the answers

During the Compression Stroke, what happens to the air-fuel mixture?

It is compressed as the piston travels up in the cylinder. Signup and view all the answers

Study Notes

Automotive Systems Overview

Automotive systems consist of interconnected parts that fulfill specific functions within a vehicle.
Essential systems include body and chassis, electrical, engine, powertrain, emission control, and accessory systems.

Body and Chassis System

Comprises the car's body, frame, suspension, steering, and braking systems.
Functions to support, stop, and enclose the vehicle's components.

Electrical Systems

Encompass ignition, charging, starting, lighting, and computer systems.
Operate the vehicle's electrical devices for efficient functionality.

Engine Systems

Include mechanical, fuel, cooling, and lubrication systems.
Provide the necessary power for vehicle propulsion.

Powertrain Systems

Composed of clutch, transmission, driveshaft, rear axle assembly, and axle shafts.
Transmit engine power to propel the vehicle.

Emission Control Systems

Incorporate crankcase ventilation, catalytic converter, fuel vapor storage, and air injection.
Reduce air pollution generated by the car.

Accessory Systems

Feature air conditioning, heating, and entertainment systems.
Enhance passenger comfort and convenience during travel.

The Car Body and Chassis

The car body serves as an aesthetically pleasing outer covering.
The chassis contains all elements except the car body.

Frame and Unitized Body

The frame is a strong steel structure supporting various components.
Unitized bodies incorporate the internal structure as their own frame.

Suspension and Steering Systems

Suspension allows for independent wheel movement with minimal body sway.
Steering system enables the driver to control vehicle direction.

Brake System

Generates friction to reduce or halt the car's motion.

Engine Overview

The engine produces energy essential for moving the vehicle and operating systems.
Works alongside other critical systems such as fuel and cooling systems to maintain functionality.

Fuel and Cooling Systems

Fuel system ensures optimal air-fuel mixture for efficient engine operation.
Cooling system regulates engine temperature for consistent performance.

Lubrication and Ignition Systems

Lubrication reduces internal friction, prolonging engine life.
Ignition system is crucial for igniting the air-fuel mixture in gasoline engines.

Starting and Charging Systems

Starting system rotates the engine's crankshaft to facilitate ignition.
Charging system replenishes electrical energy in the battery post-starting.

Computer and Exhaust Systems

Computer systems enhance vehicle efficiency via electronic devices.
Exhaust system quiets engine noise and directs emissions away from the car.

Power Train and Clutch Mechanisms

Power train transfers rotational force from the engine to drive wheels.
Clutch allows for engine transmission engagement or disengagement.

Transmission Types

Manual transmission permits the driver to shift gears, affecting torque to drive wheels.
Automatic transmission shifts gears automatically, enhancing ease of driving.

Drivetrain Components

Drive shaft conveys power from the transmission to the rear axle.
Rear axle includes differential and two axle shafts.

Engine Types and Fuel Systems

Multi-cylinder engines feature 4 to 10 cylinders for increased power output.
Carburetor fuel system uses engine vacuum to introduce fuel, while gasoline injection employs electronic sensors for precision.
Diesel injection directly injects fuel into the combustion chamber for efficiency.

Four Stroke Cycle

Consists of intake, compression, power, and exhaust strokes for engine operation.
Intake stroke allows air-fuel mixture entry; compression stroke prepares mixture for ignition.

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Description

Test your knowledge of automotive systems with these flashcards. Each card covers essential components and their functions in a vehicle. Perfect for automotive students or enthusiasts!