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A series of multiple-choice questions and answers related to lp gas leak detection and corrosion control. It covers topics such as response times for customer leak calls, bar probe testing frequency, inspection and purging procedures, and cathodic protection systems. Designed to help individuals preparing for the lp gas master qualifier exam.
Typology: Exams
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Customer leak calls must be responded to within _______ hours.
A. 12 B. 24 C. 72 D. 48 ✔✔B. 24
Customer leak calls must be responded to within ________ hours when emergency personnel are involved.
A. 2 B. 4 C. 8 D. 1 ✔✔A. 2
Bar probe testing of underground LP-Gas systems is required every ________years.
A. 1 B. 2 C. 3
D. 5 ✔✔D. 5
Inspection, Testing and Purging of gas systems can be found in Chapter ________ of ________.
A. 6 of NFPA 58 B. 4 of NFPA 54 C. 5J20.045 of FAC D. 8 of NFPA 54 ✔✔D. 8 of NFPA 54
Underground LP-Gas systems shall be tested utilizing a ___________or equivalent.
A. Test block B. Concentrated soap suds solution
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 ✔✔D. -.85 volts
A cathodic protection system must be retested within _________ after the initial test.
A. 12-18 months B. 7-10 business days C. 24 months D. 48 hours ✔✔A. 12-18 months
Cathodic protection systems failing a test shall be repaired as soon as practical, but not more than ________. A. 12 months B. 4 months
C. 180 days D. 7-10 business days ✔✔C. 180 days
