Detection & Corrosion Control
Questions and Answers 100% Verified
Customer leak calls must be responded to within _______ hours.
A. 12
B. 24
C. 72
D. 48 - ANSWER-B. 24
Customer leak calls must be responded to within ________ hours when emergency
personnel are involved.
A. 2
B. 4
C. 8
D. 1 - ANSWER-A. 2
Bar probe testing of underground LP-Gas systems is required every ________years.
A. 1
B. 2
C. 3
D. 5 - ANSWER-D. 5
Corrosion protection of underground steel containers shall include the following:
A. Coating
B. Cathodic protection
C. Means of testing
D. All of the above - ANSWER-D. All of the above
An acceptable level of cathodic protection is achieved by producing a voltage of
_______ with reference to a copper-copper sulfate half-cell.
A. +100 millivolts
B. -14 volts
C. -.30 volts
D. -.85 volts - ANSWER-D. -.85 volts