U3 ICC Tank Tightness Testing Study Set for U3 Exam
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
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
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
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.
b. Must remain in operation