U3 ICC Tank Tightness Testing Exam Questions and Answers (Latest Update 2023) Verified Answers

U3 ICC Tank Tightness Testing Exam Questions and Answers (Latest Update 2023) Verified Answers On a steel tank without cathodic protection, if a coating is flawed, what happens at the flaw? a. Cathodic surface is increased b. Current flow is increased from this area c. Current flow is increased to this area - correct answers ✅b. Current flow is increased from this area On an impressed current cathodic protection system, the negative wire of the rectifier is connected to the: a. Anode b. Cathode c. Drop tube d. Dielectric union - correct answers ✅b. Cathode All are examples of acceptable release detection for tanks, except: a. Impressed current cathodic protection b. Automatic tank gauging c. Statistical inventory reconciliation d. Soil -vapor monitoring - correct answers ✅a. Impressed current cathodic protection When a tank is temporarily closed, the cathodic protection system: a. Must be turned off b. Must remain in operation c. Should be removed d. Operator can have it on or off. - correct answers ✅b. Must remain in operation When a steel tank is installed with a galvanic CP system attached, the tank gauges are usually connected through a riser with a dielectric bushing. What is the purpose of that? a. To prevent static discharge b. To minimize effects of noise c. To electrically isolate the tank from the tank gauge d. To pre vent water intrusion in the tank - correct answers ✅c. To electrically isolate the tank from the tank gauge Factory -installed diectric coatings may include all of the following except: a . Asphalt b. epoxies c. Enamels d. fiberglass -reinforced plastic - correct answers ✅a . Asphalt According to the EPA, Tank tightness test data must be maintained for: a. 18 months b. 3 years c. 5 years d. Until the next test is performed - correct answers ✅d. Until the next test is performed How long must records of UST system repairs be available on site? a. 60 days