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 Of the following, surge is strongest in: Answers Bulkhead tanks. Tanks with an open manhole. Unbaffled tanks. Explanation Smooth bore tanks, which lack internal bulkheads to limit the flow of liquid, are the most vulnerable to surge. Take a FREE Practice Test Now This questions appears in the following tests: Rhode Island Tank ,