To control a surge, brakes should: Question To control a surge, brakes should: Answers Not be used. Not be released too quickly after stopping. Be used firmly and then released. Be used with the parking brake. Explanation To help reduce the risk of front-to-back surge when stopping a tank vehicle, keep steady pressure applied to the brakes. Do not release them too quickly after coming to a stop. This questions appears in the following tests: Pennsylvania HazMat West Virginia Tank