Technician a Says That as Wheelbase Becomes Shorter in a Highway

Multiple Choice

Technician A says that as wheelbase becomes shorter in a highway truck,its resistance to yaw is reduced.Technician B says that an ABS add-on called directional stability control uses the brake system to avoid tracking yaw.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B