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Engine Components and Functions Quiz

Authored by Dominic Chita

Life Skills

University

Used 1+ times

Engine Components and Functions Quiz
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the intake stroke in a naturally aspirated engine?

To ignite the air-fuel mixture

To expel exhaust gases

To draw air into the cylinder

To compress the air-fuel mixture

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component ignites the air-fuel mixture during the power stroke?

Piston

Crankshaft

Spark plug

Exhaust valve

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a turbocharger increase engine efficiency?

By using a belt connected to the crankshaft

By utilizing exhaust gases to power a compressor

By directly injecting fuel into the combustion chamber

By reducing the engine's weight

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key advantage of superchargers over turbochargers?

They are more fuel-efficient

They provide immediate power boost

They are lighter in weight

They use less air pressure

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the typical compression ratio range for naturally aspirated petrol engines?

8:1 to 12:1

10:1 to 14:1

16:1 to 18:1

6:1 to 8:1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the compression ratio of a forced induction engine typically lower than that of a naturally aspirated engine?

To increase fuel efficiency

To manage increased pressure and temperature

To reduce engine size

To improve exhaust emissions

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do forced induction engines prevent engine knock?

By using higher compression ratios

By compressing air before it enters the combustion chamber

By reducing fuel intake

By increasing engine size

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