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Automotive Fundamentals

Authored by Lisa Thompson

Science

12th Grade

NGSS covered

Automotive Fundamentals
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why is it important for an Engine Control Unit (ECU) to monitor and adjust the air-to-fuel ratio?

To ensure the vehicle can reach maximum speeds

To maintain optimal engine temperature

To optimize engine performance and fuel efficiency

To increase the loudness of the exhaust system

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the main advantage of using an Engine Control Unit (ECU) in modern vehicles?

It allows for manual control of the engine's functions

It increases the vehicle's top speed

It optimizes engine performance and fuel efficiency

It reduces the need for regular maintenance

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of fuel injection system uses a common rail to supply fuel to the injectors?

Direct Injection

Port Injection

Sequential Fuel Injection

Common Rail Direct Injection (CRDI)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A car battery is a ____ cell, which means it can be recharged.

Secondary

Primary

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a car battery the lead dioxide plate ______ electrons and is _____.

accepts, reduced

accepts, oxidized

gives up, reduced

gives up, oxidized

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary function of a catalytic converter in an automobile?

To increase engine power

To reduce exhaust emissions

To improve fuel efficiency

To enhance vehicle speed

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which component in a car is responsible for converting chemical energy into electrical energy?

Alternator

Starter motor

Battery

Fuel pump

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