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National Fuel Gas Code Exam With 100% Correct Answers

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2024/2025 Written for academic year
Institution National Fuel Gas Code
Course National Fuel Gas Code
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When piping underground, what should piping be protected from? - correct answers Shall be protected from damage in cultivated areas where damage is expected Underground piping shall be installed with a minimum coverage of what? - correct answers 12 inches When backfilling what do you need to make sure of? - correct answers Make sure that the pipe doesn't start to float from the trench bottom When piping underground and through a foundation wall, how does the pipe need to be protected? - correct answers Shall be encased in a protective sleeve Where should plastic piping be installed, and where does it terminate? - correct answers Indoors/underground only, above ground w/ anodeless riser

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National Fuel Gas Code Exam With 100%
Correct Answers

When piping underground, what should piping be protected from? - correct answers ✔✔Shall
be protected from damage in cultivated areas where damage is expected



Underground piping shall be installed with a minimum coverage of what? - correct answers
✔✔12 inches



When backfilling what do you need to make sure of? - correct answers ✔✔Make sure that the
pipe doesn't start to float from the trench bottom



When piping underground and through a foundation wall, how does the pipe need to be
protected? - correct answers ✔✔Shall be encased in a protective sleeve



Where should plastic piping be installed, and where does it terminate? - correct answers
✔✔Indoors/underground only, above ground w/ anodeless riser



What are the requirements for tracer wire? - correct answers ✔✔AWG 14



What are some prohibited locations for gas piping? - correct answers ✔✔clothes chute,
chimney or gas vent



Whats the spacing for 1/2 in. steel piping? - correct answers ✔✔6 feet



Which fittings are allowed in concealed locations? - correct answers ✔✔Threaded, brazed or
welded fittings

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