ICC CALIFORNIA UST SERVICE TECHNICIAN CERTIFICATION ACTUAL EXAM NEWEST 2025 WITH UPDATED QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALREADDY GRADED A+

Automatic line leak detector includes, but is not limited to, any device or mechanism that alerts the owner or operator of an underground storage tank to the presence of a leak by: a. restricting the flow b. activating an audile or visual alarm c. shutting off the flow d. all of the above d. all of the above 2. By December 22, 1998, all automatic line leak detectors installed on single-walled pressurized piping must be capable of: a. triggering an audible and visual alarm b. shutting down the pumping-system c. shutting off flow at the dispenser d. restricting the flow b. shutting down the pumping-system 3. When automatic line leak detectors are required for monitoring pressurized piping with secondary containment, they must be capable of detecting a ___ gph release. a. 3 b. .1 c. .2 d. 1 a. 3 4. An automatic tank gauge is capable of: a. measuring diesel product temperature b. activating low level alarms for premium grade gasoline c. measuring all product level alarms for premium grade gasoline d. all of the above d. all of the above 5. When an automatic tank gauge is utilized for single-walled tank leak detection, it shall test the tank at least monthly after the product delivery or when the tank is filled to within ___ percent of the highest operating level during the previous months: b. 10 1 / 20 UST Technician and Operator Study online at a. 5 b. 10 c. 15 d. 20 6. When an automatic tank gauge is utilized for single-walled tank leak detection, it shall generate a post-test hard copy data report of the following information, except: a. liquid volume b. fuel depth c. outside air temperature d. time and date of test c. outside air temperature 7. Approved cathodic protection methodologies include: a. corrosion inhibiting paint b. sacrificial anodes c. impressed current systems d. both b and c d. both b and c 8. The following product piping requires cathodic protection: a. single walled steel b. single walled fiberglass c. flexible plastic d. double walled fiberglass a. single walled steel 9. Cathodic protection systems must be inspected by a certified cathodic protection tester within ___ months of installation: a. 3 b. 6 c. 12 d. 18 b. 6 10. Interior linings must be inspected by a coating expert within ___ years of installation a. 3 b. 5 b. 5 2 / 20 UST Technician and Operator Study online at c. 10 d. 2 11. Temporary closure requirements are designed for tanks that will be utilized for the storage of hazardous substances within the next___: a. 36 months b. 12 months c. 6 months d. 18 months b. 12 months 12. During a period of temporary closure, the owner or operator shall inspect the thank at least once every ___ months, to ensure that the temporary closure measures are in place a. 6 b. 12 c. 18 d. 3 a. 6 13. Underground storage tank includes the following a. 500 gallon agricultural motor vehicle fuel tank located on a farm b. 500 gallon waste oil c. 1,000 gallon residential heating oil tank d. all of the above b. 500 gallon waste oil 14. Motor vehicle fuel tanks include the following expect: a. diesel tanks b. premium grade gasoline tanks c. mid grade gasoline tanks d. waste oil tanks d. waste oil tanks 15. An owner or operator with an underground storage tank with a single walled component that is located within ___ of a public drinking water well shall implement a program of enhanced leak detection a. 1000 ft b. 500 ft a. 1000 ft