24/25 Ust Top Ust Exam With Questions & Correct Answers Verified & Graded A+

24/25 UST TOP UST EXAM WITH QUESTIONS & CORRECT ANSWERS VERIFIED & GRADED A+ 1. One of the significant causes of leaks in underground liquid storage systems is ?____________ ________________ Improper Installation 2. Written Plans are required to? obtain permits, solicit bids, and provide precise guidance for installers. 3. The plans should? 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? Federal, state or local agencies. 5. All owners should ensure that the equipment to be installed meets? applicable regulatory requirements before being installed 6. Consult the local authorities who have jurisdiction in the area before storage-system plans are. finalized or construction is initiated. 7. All owners should ensure that the equipment to be installed meets all applicable regulatory requirements before? Being installed. 8. To avoid damage tanks must not be? dropped, dragged, or handled with sharp objects. 9. Tanks must not be dropped, dragged, or handled with sharp objects to avoid. Damage to the tank 10. The only time tanks really should be moved is when? for inspections and testing . 11. If a tank is damaged at throughout the moving process it must be? Repaired following the manufacturer's instructions. 12. The proper way to move a tank is by lifting it, using the? Lift lugs that are installed by the manufacturer. 13. Tanks should be carefully lifted and lowered using? 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? 30 degrees. 15. Stockpile piping materials and equipment in a ____________?_ _________ on the job site Secure area 16. Confirm adherence to specifications by reporting to the owner about any. 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. 3 to 5 18. Air testing with over _?__ psig (3 Psig for 12-ft. Diameter FRP tanks) is hazardous and may damage the tank 5 psig 19. Do not air test a tank that has previously contained? flammable or combustible liquids 20. Place ___?___ barricades at the ends of tanks being tested. Warning 21. Avoid tank ends, man-ways, and fittings while the tank is under. Pressure 22. Release pressure in the tank before disconnecting any. gauges or test fittings. 23. Be aware some manufacturers do not tighten fittings to allow for _____?________ ______?_______ during shipping and storage. Temperature changes 24. True or False: Air tests are inconclusive without soaping and careful inspection for bubbles? True 25. Tank gauges must have a scale that will permit detection of small changes in ______?____ that might go undetected on gauges with a __________?_ _________. Pressure, broader range. 26. Since the best accuracy of gauges is at mid-range, and test pressures must not exceed 5 psig, use a gauge with a maximum limit of _?___ or ____.__ 10 or 15 psig 27. Check the gauges ____?______ and ___?______ before use operation and accuracy 28. Underground storage systems may include vapor-recovery Piping and equipment 29. What can cause premature storage-system failures _____?____ Debris and other foreign materials 30. Tank installers should have gone through training programs to improve their skills and ensure the installation is __?________ Successful 31. ____?______ kinds of plans are required to obtain permits, solicit bids, and provide precise guidance for installers written 32. ___________?________ should insure that the equipment to be installed meets all applicable regulatory requirements before beginning an installation Owners 33. Tanks should be ______?_____ inspected before installation Visually 34. 2 Gauges should be used to reduce ___________ ?____________ gauge failure 35. A pressure-relief device should be used to prevent _______________? ____________ Over pressurization 36. True or False? Over-pressurization could be a result of temperature changes True 37. To avoid damaging the interstitial space between tank walls from over-pressurization, avoid pressurizing the inner tank to a maximum of__?____ psig 5 psig 38. Double wall tank pressure should be monitored for __?___ hour Answers 1 39. If a compartment has single-walled bulkheads, test the compartments on ___________? ___________ of the same bulkhead at different times. A. 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 _____________? __________ A. 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 Interior, exterior 42. A double-walled tank shipped with a _?____________ on the interstice need not be subjected to an air/soap test. A. Ballard B. Gauge C. Skid D. Vacuum Answer D 43. To avoid undermining the foundations of existing structures excavation must be done. A. Carefully B. Tentatively C. Quickly D. Efficiently Answer A 44. What is the determinant of the total depth of the tank excavation?