What effects does liquid surge have on a tanker's handling?

A It can move the truck in the direction the liquid waves move.

explanation

When the wave hits the end of the tank, it tends to push the truck in the direction the wave is moving. If the truck is on a slippery surface such as ice, the wave can shove a stopped truck out into an intersection. The driver of a liquid tanker must be very familiar with the handling of the vehicle. [CDL Handbook]