Technician A says that turbocharging a diesel engine reduces most noxious emissions because the cylinder pressure is higher. Technician B says that turbocharging lowers emissions because it provides more air to completely burn fuel in the cylinders. Who is correct?
A)Technician A"
B)Technician B"
C)Both A and B
D)Neither A nor B"

Question

Quizplus · Accepted Answer

Both technicians are correct. Turbocharging increases cylinder pressure, which reduces emissions of nitrogen oxides (NOx). It also provides more air to the cylinders, which helps to burn fuel more completely, reducing emissions of particulate matter (PM) and hydrocarbons (HC).

Technician a Says That Turbocharging a Diesel Engine Reduces Most