Do you currently have car insurance? Insurance is mandatory to drive in California Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question What do bulkheads do? Answers Separate one large tank into several smaller tanks Control the temperature of liquid in a tank Determine how full a tank is Provide extra storage in a tank Explanation Bulkheads divide a large tank into multiple smaller tanks. A driver must pay special attention to weight distribution when driving a tank vehicle that has been separated by bulkheads. Take a FREE Practice Test Now This questions appears in the following tests: North Dakota Tank , Texas Tank ,