Practice question What do baffles do inside a tank? Eliminate the need for inspectionMake the tank a dry vanSlow front-to-back liquid movementTurn hazardous cargo into nonhazardous cargo Answer: C — Slow front-to-back liquid movement The correct answer is shown above. Try the full quiz for additional practice. Practice more: Texas CDL Tanker Endorsement Test Practice Questions - Texas CDL Tanker Vehicles Endorsement Test Exam →