(Study Set for U3 Exam) Actual
Exam Questions & Correct, Certified
Solutions/ 2025.
_____________Quiz____________?
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 -
Answer✓✓
b. Current flow is increased from this area
_____________Quiz____________?
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 -
Answer✓✓
b. Cathode
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,_____________Quiz____________?
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 -
Answer✓✓
a. Impressed current cathodic protection
_____________Quiz____________?
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. -
Answer✓✓
b. Must remain in operation
_____________Quiz____________?
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
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, b. To minimize effects of noise
c. To electrically isolate the tank from the tank gauge
d. To prevent water intrusion in the tank -
Answer✓✓
c. To electrically isolate the tank from the tank gauge
_____________Quiz____________?
Factory-installed diectric coatings may include all of the following except:
a . Asphalt
b. epoxies
c. Enamels
d. fiberglass-reinforced plastic -
Answer✓✓
a . Asphalt
_____________Quiz____________?
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 -
Answer✓✓
d. Until the next test is performed
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