Technician A says the bearings in a turbocharger are cooled by engine oil. Technician B says turbocharger bearings are cooled by engine coolant. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Turbocharger bearings can be cooled by both engine oil and engine coolant, depending on the design of the turbocharger system. Some systems use engine oil for lubrication and cooling, while others incorporate engine coolant for additional cooling capacity.

Technician a Says the Bearings in a Turbocharger Are Cooled