When driving a tank vehicle, valves or manhole covers: 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 When driving a tank vehicle, valves or manhole covers: Answers Should be open. Should be closed. Should be removed. Explanation You should never drive a tank vehicle with open valves or manhole covers. This questions appears in the following tests: Vermont Tank
