Practice question Why must outage be left in a bulk liquid tank? Liquids expand as they warmLiquids always shrink in transitOutage stops every rolloverOutage replaces inspection Answer: A — Liquids expand as they warm The correct answer is shown above. Try the full quiz for additional practice. Practice more: Virginia CDL Tanker Test Practice Questions - Virginia Commercial Driver License (CDL) Tanker Vehicles Endorsement Test Exam →