A surge can occur: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question A surge can occur: Answers In a fully-filled tank. In a partially-filled tank. When driving at a constant speed. When wind is strong. Explanation Liquid surge occurs due to the movement of liquid in partially-filled liquid tanks. A surge can interfere with the handling of a tank vehicle.