U1 UST Installation Retrofitting Exam Questions and Correct Answers

U1 UST Installation Retrofitting Exam Questions and Correct Answers 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. 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. 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 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 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 33. Tanks should be inspected before installation - Answer-Visually 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. - Answer-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 B. Second time C. Same time D. Last time Answer C 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