Technician A says that EGR systems lower in-cylinder NOx formation by reducing peak cylinder pressures and temperatures. Technician B says EGR systems reduce NOx emissions by reducing displaced air in the cylinder. Who is correct?
A)Technician A"
B)Technician B"
C)Both A and B
D)Neither A nor B"

Question

Quizplus · Accepted Answer

EGR systems lower in-cylinder NOx formation primarily by reducing peak cylinder pressures and temperatures, which is what Technician A stated.

Technician a Says That EGR Systems Lower In-Cylinder NOx Formation