Automobile Pollution

Describe the difference between closed-loop and open-loop O2 sensor management systems.

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS3-3

What is the primary purpose of an EGR valve in an engine?

Tags

NGSS.HS-PS3-1

How does the EGR valve contribute to reducing emissions and improving fuel efficiency?

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

Briefly explain the function of the EVAP system in a vehicle.

What component of the EVAP system helps to trap and store fuel vapors to prevent their release into the atmosphere?

Tags

NGSS.HS-ESS3-4

How does a catalytic converter convert harmful pollutants into less harmful emissions?

Name one common metal used as a catalyst in catalytic converters.

Briefly explain the purpose of DPF and GPF systems in modern vehicles.

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

How do DPF and GPF systems trap and remove particulate matter from exhaust gases?

What is AdBlue, and what is its role in modern diesel engines?

Tags

NGSS.HS-PS1-5