UST Installation/Retrofitting Test Questions and Answers Latest 2024/2025 (Graded A+)

UST Installation/Retrofitting Test Questions and Answers Latest 2024/2025 (Graded A+) One of the significant causes of leaks in underground liquid storage systems is ____________ ________________ -Answer Improper Installation 2. Written Plans are required to -Answerobtain permits, solicit bids, and provide precise guidance for installers. 3. The plans should -AnswerDescribe 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 -Answerapplicable 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 -AnswerBeing 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. U1 UST Installation/Retrofitting Test Questions and Answers Latest 2024/2025 (Graded A+) 11. If a tanks is damaged at all throughout the moving process it must be -AnswerRepaired in accordance with the manufacture's instructions. 12. The proper way to move a tank is by lifting it, using the -AnswerLift lugs that are installed by the manufacturer. 13. Tanks should be carefully lifted and lowered using -AnswerCables 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 -Answer30 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 -Answer5 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. -AnswerWarning 21. Avoid tank ends, man-ways, and fittings while the tank is under -Answer Pressure 22. Release pressure in the tank before disconnecting any -Answergauges or test fittings. 23. Be aware some manufactures do not tighten fittings to allow for _____________ _____________ during shipping and storage. -AnswerTemperature changes 24. True or False: Air tests are inconclusive without soaping and careful inspection for bubbles? - 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 ___________ _________. -AnswerPressure, 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 -AnswerPiping and equipment 29. What can cause premature storage-system failures _________ -AnswerDebris 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 -Answerwritten 32. ___________________ should insure that the equipment to be installed meets all applicable regulatory requirements before beginning an installation -AnswerOwners 33. Tanks should be ___________ inspected before installation -AnswerVisually 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 37. To avoid damaging the interstitial space between tank walls from over-pressurization, avoid pressurizing the inner tank to a maximum of______ psig -Answer 5 psig 38. Double wall tanks pressure should be monitored for _____ hour -Answer 1 39. If a compartment has single walled bulkheads, test the compartments on ___________ ___________ of the same bulkhead at different times. -AnswerA. Opposite sides B. Different sides C. Adjacent sides D. Congruent sides Answer B 40. If the compartmented tank has double-walled bulkheads, compartments may be tested at the _____________ __________ -AnswerA. First time B. Second time C. Same time D. Last time Answer C 41. Carefully inspect _______________ and __________________ surfaces of a tank shipped with a liquid-filled interstice for signs of leakage -Answer Interior, exterior 42. A double-walled tank shipped with a _____________ on the interstice need not be subjected to an air/soap test. -Answer A. Ballard B. Gauge C. Skid D. Vacuum Answer D 43. To avoid undermining foundations of existing structures excavation must be done - Answer A. Carefully B. Tentatively C. Quickly D. Efficiently Answer A 44. What is the determinant of the total depth of the tank excavation. -AnswerA. Tank diameter, bedding-thickness, hold-down pad(If required), depth of cover, and slope and length of piping. B. Slope and length of piping, depth of cover, hold down pad(If required), thickness, amount of dirt C. Thickness, hold-down pad(If required), depth of cover, bedding, previous leaks or spills D. Slope and length of piping, thickness, amount of dirt, depth of cover, bedding, thickness. Answer A EMAIL ME: EMAIL ME: 45. Much of a buried tanks support is derived from __________ -Answer A. Compacted backfill B. Chain-falls C. Reinforced steal walls D. Concrete Answer A 46. _______ ____________ are geotextiles designed to prevent movement of back-fill materials, while permitting water to pass through -AnswerFilter fabrics 47. To provide a firm foundation for the tank, set the tank on a bed of ___________ material one foot thick that extends one foot beyond the ends and sides of the tank. -Answerbackfill 48. ___ feet of backfill must be placed between adjacent tanks and between tanks and excavation walls. -AnswerA. 1 B. 2 C. 3 D. 4 Answer B 49. In areas subject to vehicle traffic, cover may consist of at least _________ inches of compacted backfill and ________ inches of asphaltic concrete, or___________ inches of reinforced concrete -Answer30, 6, 18 50. Maximum burial depth, measured from the top of the tank, are established by tank __________ and ________________ -Answer A. Manufacturers and the installers B. Independent testing laboratories C. Installers and independent testing labs D. Installers and the tank owner E. Manufacturers EMAIL ME: EMAIL ME: F. Both B and E Answer F 51. For fiberglass tanks ______ feet is the standard max depth for the tank -Answer 7 52. ________ feet is the typical burial depth for steel tanks -Answer5 53. Excavated materials that cannot be immediately removed from the site should be safely stockpiled at least _______ feet away from the edge of the tank excavation -Answer2 54. Common deficiencies that adversely affect the structural integrity and coating of tanks include -Answer A. use of incorrect backfill material B. Inadequate or improper placement or compaction of backfill materials C. rocks of debris left in the excavation D. Voids under the lower quadrant of the tank E. Failure to prevent migration of backfill materials F. All of the above Answer F 55. If a product is used for ballast do not fill tank about _______ percent ? -Answer 95 56. Water in a storage tank can promote internal _____________ and degrade fuel quality. - Answer Corrosion 57. Back fill material should be -Answer A. Stagnate B. A-Morph-is C. Egregious D. Free flowing Answer D EMAIL ME: 58. Cover the bottom of the excavation with suitably graded and properly placed back fill material to a depth of at least _________ Foot/feet deep -Answer A. 0.5 Foot B. 1 foot C. 1.5 Feet D. 2 Feet Answer B 59. What are the standard back fill materials for a fiberglass tank. -Answer A. pea gravel and crushed rock B. pea gravel and dirt C. pea gravel and water D. sawdust and pea gravel Answer A 60. When dealing with a fiberglass tank the bottom of the excavation or hold-down pad must be covered with a minimum of ______ foot/ feet of suitably graded and compacted back fill material. -AnswerA. 10 B. 3 C. 1 D. 2 Answer C 61. Place sand and back fill into the excavation in twelve to eighteen inch lifts and compact after each lift. Repeat this process up to at least _________ % of the tank. -AnswerA. 60 B. 65 C. 55 D. 70 Answer A EMAIL ME: EMAIL ME: 62. During construction the tank should not be used to support -Answer A. Cribbing B. Bracing C. Blocking D. All of the above Answer D 63. A ______________ should be used where installation are located in areas subject to high water tables of flooding. -AnswerAnchoring 64. During installation, tank vents and other openings that are not liquid-tight should be extended above the ____________ flood-stage water level until piping is complete. -Answer Maximum 65. A primary method of restraining tanks in areas subject to flooding is to ___________ the burial depth -AnswerA. level