U1 UST Installation/Retrofitting Exam Questions and Correct Answers 2025/2026

U1 UST Installation/Retrofitting Exam Questions and Correct Answers 2025/2026 1. One of the significant causes of leaks in underground liquid storage systems is ____________ ________________ - Answer -Improper Installation 2. Written Plans are required to - Answer -obtain permits, solicit bids, and provide precise guidance for installers. 3. The plans should - Answer -Describe the property, identify the size and location of the tanks, indicate the liquids to be stored and provide the location of the dispensers and piping. 4. Storage systems discussed in this recommended practice are usually regulated by - Answer -Federal, state or local agencies. 5. All owners should ensure that the equipment to be installed meets - Answer -applicable regulatory requirements before being installed 6. Consult the local authorities who have jurisdiction in the area before storage-system plans are - Answer -finalized or construction is initiated. 7. All owners should ensure that the equipment to be installed meets all applicable regulatory requirements before - Answer -Being installed.8. To avoid damage tanks must not be - Answer -dropped, dragged, or handled with sharp objects. 9. Tanks must not be dropped, dragged, or handled with sharp objects to avoid - Answer -Damage to the tank 10. The only time tanks really should be moved is when - Answer -for inspections and testing. 11. If a tanks is damaged at all throughout the moving process it must be - Answer -Repaired in accordance with the manufacture's instructions. 12. The proper way to move a tank is by lifting it, using the - Answer - Lift lugs that are installed by the manufacturer. 13. Tanks should be carefully lifted and lowered using - Answer -Cables or chains of adequate length. 14. When two lifting lugs are being used, the angle between the lifting cable and vertical should be no more than - Answer -30 degrees. 15. Stockpile piping materials and equipment in a _____________ _________ on the job site - Answer -Secure area 16. Confirm adherence to specifications by reporting to the owner about any - Answer -detected damage that could result in leakage or premature corrosion. 17. Pressure test single-walled tanks with _____ to _______ psig air pressure, soaping all surfaces, seams and fittings while inspecting for bubbles. - Answer -3 to 518. Air testing with over ___ psig (3 Psig for 12-Ft. Diameter FRP tanks) is hazardous and may damage the tank - Answer -5 psig 19. Do not air test a tank that has previously contained - Answer - flammable or combustible liquids 20. Place ______ barricades at the ends of tanks being tested. - Answer -Warning 21. Avoid tank ends, man-ways, and fittings while the tank is under - Answer -Pressure 22. Release pressure in the tank before disconnecting any - Answer - gauges or test fittings. 23. Be aware some manufactures do not tighten fittings to allow for _____________ _____________ during shipping and storage. - Answer - Temperature changes 24. True or False: Air tests are inconclusive without soaping and carefu