While having a discussion, Technician A says that you should never install undersized tires on a vehicle. The vehicle will be lower, and the speedometer will no longer be accurate. Technician B says that the increase in engine rpm for a given speed will result in a decrease in fuel economy. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct as installing undersized tires will lower the vehicle's overall height and cause the speedometer to no longer be accurate. Technician B is correct as the increase in engine rpm required to maintain the same speed that would have been achieved with properly sized tires will indeed result in a decrease in fuel economy. Therefore, both technicians are correct.

While Having a Discussion, Technician a Says That You Should