U1 UST Installation/Retrofitting Exam Study
Questions and Answers 2025
1. One of the significant causes of leaks in underground liquid storage systems is
____________ ________________ -Correct Answer ✔Improper Installation
2. Written Plans are required to -Correct Answer ✔obtain permits, solicit bids, and
provide precise guidance for installers.
3. The plans should -Correct 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 -Correct Answer ✔Federal, state or local agencies.
5. All owners should ensure that the equipment to be installed meets -Correct
Answer ✔applicable regulatory requirements before being installed
6. Consult the local authorities who have jurisdiction in the area before storage-
system plans are -Correct Answer ✔finalized or construction is initiated.
7. All owners should ensure that the equipment to be installed meets all applicable
regulatory requirements before -Correct Answer ✔Being installed.
8. To avoid damage tanks must not be -Correct Answer ✔dropped, dragged, or
handled with sharp objects.
9. Tanks must not be dropped, dragged, or handled with sharp objects to avoid -
Correct Answer ✔Damage to the tank
10. The only time tanks really should be moved is when -Correct Answer ✔for
inspections and testing.
11. If a tanks is damaged at all throughout the moving process it must be -Correct
Answer ✔Repaired in accordance with the manufacture's instructions.
U1 UST Installation/Retrofitting
,U1 UST Installation/Retrofitting
12. The proper way to move a tank is by lifting it, using the -Correct Answer ✔Lift
lugs that are installed by the manufacturer.
13. Tanks should be carefully lifted and lowered using -Correct 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 -Correct Answer ✔30 degrees.
15. Stockpile piping materials and equipment in a _____________ _________ on
the job site -Correct Answer ✔Secure area
16. Confirm adherence to specifications by reporting to the owner about any -
Correct 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. -Correct
Answer ✔3 to 5
18. Air testing with over ___ psig (3 Psig for 12-Ft. Diameter FRP tanks) is
hazardous and may damage the tank -Correct Answer ✔5 psig
19. Do not air test a tank that has previously contained -Correct Answer
✔flammable or combustible liquids
20. Place ______ barricades at the ends of tanks being tested. -Correct Answer
✔Warning
21. Avoid tank ends, man-ways, and fittings while the tank is under -Correct
Answer ✔Pressure
22. Release pressure in the tank before disconnecting any -Correct Answer
✔gauges or test fittings.
23. Be aware some manufactures do not tighten fittings to allow for
_____________ _____________ during shipping and storage. -Correct Answer
✔Temperature changes
U1 UST Installation/Retrofitting
, U1 UST Installation/Retrofitting
24. True or False: Air tests are inconclusive without soaping and careful inspection
for bubbles? -Correct Answer ✔True
25. Tanks gauges must have a scale that will permit detection of small changes in
__________ that might go undetected on gauges with a ___________ _________.
-Correct Answer ✔Pressure, broader range.
26. Since the best accuracy of gauges is at mid-range, and test pressures must not
exeed 5 psig, use a gauge with a maximum limit of ____ or ______ -Correct
Answer ✔10 or 15 psig
27. Check the gauges __________ and _________ before use -Correct Answer
✔operation and accuracy
28. Underground storage systems may include vapor-recovery -Correct Answer
✔Piping and equipment
29. What can cause premature storage-system failures _________ -Correct Answer
✔Debris and other foreign materials
30. Tank installers should have gone through training programs to improve their
skills and insure the install is __________ -Correct Answer ✔Successful
31. __________ kinds of plans are required to obtain permits, solicit bids, and
provide precise guidance for installers -Correct Answer ✔written
32. ___________________ should insure that the equipment to be installed meets
all applicable regulatory requirements before beginning an installation -Correct
Answer ✔Owners
33. Tanks should be ___________ inspected before installation -Correct Answer
✔Visually
34. 2 Gauges should be used to reduce ___________ ____________ -Correct
Answer ✔gauge failure
U1 UST Installation/Retrofitting