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 ,