What is the primary danger of forward-and-back surge?
a.It causes the tank to leak
b.It pushes the truck forward through intersections when stopping
c.It damages the tank baffles
d.It increases tire wear
Explanation
Forward-and-back surge pushes the truck forward when you are trying to stop. The liquid continues moving forward due to inertia after braking begins, which can push the vehicle into an intersection or into the vehicle ahead.