What does the octane rating on gasoline indicate?

Understanding Octane Ratings and Engine Compatibility

Interactive Video
•
Science, Physics, Chemistry
•
7th - 10th Grade
•
Easy

Aiden Montgomery
Used 2+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The amount of fuel in the tank
The price of the gasoline
The compression level before ignition
The color of the gasoline
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if gasoline ignites too early in an engine?
The engine produces more power
The engine experiences knocking
The engine becomes quieter
The engine runs more efficiently
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a piston in a gasoline engine?
To clean the exhaust
To compress and heat the fuel
To cool the engine
To store fuel
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is engine knock?
A sound caused by a loose exhaust
A sound indicating low fuel levels
A sound caused by early ignition of fuel
A sound indicating the engine is running smoothly
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are octane ratings calculated?
By measuring the fuel's color
By checking the fuel's weight
By testing the fuel's smell
By comparing stability to heptane and octane
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between heptane and octane?
Octane has more carbon atoms than heptane
Heptane is used in diesel engines
Octane is less stable than heptane
Heptane is more stable than octane
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it not advisable to use high-octane fuel in a low-octane engine?
It can lead to fuel wastage
It can cause the engine to overheat
It can make the engine too quiet
It can increase the car's speed
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