Question Tanks equipped with baffles may still roll over because: Answers The baffles add a lot of extra weight to the tank. There may be significant side-to-side surge. Drivers are usually unaware of the baffles. The baffles may become uneven and roll the tank. Explanation While baffles in a tank inhibit forward and backward surge, they do not prevent side-to-side surge. Surge to the sides can cause rollovers. Take a FREE Practice Test Now