When loading a tank, space should be left for outage. What is outage? 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 loading a tank, space should be left for outage. What is outage? Answers Extra cargo Space for expanding liquids Space for additional fuel A place for luggage and personal items Explanation Liquids expand when warmed, so a tank carrying liquid must also contain additional space to accommodate for this expansion. The extra space is known as "outage." This questions appears in the following tests: Arkansas Tank Colorado Tank Delaware Tank Pennsylvania HazMat