1|Page
U1 UST INSTALLATION/RETROFITTING LATEST UPDATE
EXAM 2025 QUESTIONS WITH DETAILED VERIFIED
ANSWERS | GRADED A+
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.
,2|Page
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 5
18. 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 careful inspection
for bubbles? - ANSWER: True
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25. Tanks gauges must have a scale that will permit detection of small changes in
__________ that might go undetected on gauges with a ___________ _________.
- 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 ______ - ANSWER:
10 or 15 psig
27. Check the gauges __________ and _________ before use - ANSWER:
operation and accuracy
28. Underground storage systems may include vapor-recovery - ANSWER: Piping
and equipment
29. What can cause premature storage-system failures _________ - ANSWER:
Debris and other foreign materials
30. Tank installers should have gone through training programs to improve their
skills and insure the install is __________ - ANSWER: Successful
31. __________ kinds of plans are required to obtain permits, solicit bids, and
provide precise guidance for installers - ANSWER: written
32. ___________________ should insure that the equipment to be installed meets
all applicable regulatory requirements before beginning an installation -
ANSWER: Owners
33. Tanks should be ___________ inspected before installation - ANSWER:
Visually
34. 2 Gauges should be used to reduce ___________ ____________ - ANSWER:
gauge failure
35. A pressure-relief device should e used to prevent _______________
____________ - ANSWER: Over pressurization
36. True of False: Over pressurization could be a result of temperature changes -
ANSWER: True
U1 UST INSTALLATION/RETROFITTING LATEST UPDATE
EXAM 2025 QUESTIONS WITH DETAILED VERIFIED
ANSWERS | GRADED A+
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.
,2|Page
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 5
18. 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 careful inspection
for bubbles? - ANSWER: True
, 3|Page
25. Tanks gauges must have a scale that will permit detection of small changes in
__________ that might go undetected on gauges with a ___________ _________.
- 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 ______ - ANSWER:
10 or 15 psig
27. Check the gauges __________ and _________ before use - ANSWER:
operation and accuracy
28. Underground storage systems may include vapor-recovery - ANSWER: Piping
and equipment
29. What can cause premature storage-system failures _________ - ANSWER:
Debris and other foreign materials
30. Tank installers should have gone through training programs to improve their
skills and insure the install is __________ - ANSWER: Successful
31. __________ kinds of plans are required to obtain permits, solicit bids, and
provide precise guidance for installers - ANSWER: written
32. ___________________ should insure that the equipment to be installed meets
all applicable regulatory requirements before beginning an installation -
ANSWER: Owners
33. Tanks should be ___________ inspected before installation - ANSWER:
Visually
34. 2 Gauges should be used to reduce ___________ ____________ - ANSWER:
gauge failure
35. A pressure-relief device should e used to prevent _______________
____________ - ANSWER: Over pressurization
36. True of False: Over pressurization could be a result of temperature changes -
ANSWER: True
