Gas Fitter Practice · Question
When installing gas piping underground, what is the minimum depth of cover required for protection?
CSA B149.1 specifies a minimum cover of 18 inches (450 mm) for underground gas piping to protect it from damage.
Start free practice for Gas Fitter Practice
200 questions · no signup required · 40 free questions per day
Question: When installing gas piping underground, what is the minimum depth of cover required for protection?
Answer options:
- 12 inches (300 mm) ✅ 18 inches (450 mm)
- 24 inches (600 mm)
- 30 inches (750 mm)
Correct answer: 18 inches (450 mm)
Explanation: CSA B149.1 specifies a minimum cover of 18 inches (450 mm) for underground gas piping to protect it from damage.
Start free practice for Gas Fitter Practice
200 questions · no signup required · 40 free questions per day
More about Gas Fitter Practice
Related Questions
- What is the maximum allowed pressure for a propane system supplying a residential appliance?
- When installing a gas outdoor appliance, what is the minimum required clearance from an opening into a buildin
- Which code specifies the requirements for the installation of propane-burning appliances and equipment?
- What is the maximum allowed pressure drop for gas piping within a building, from the point of delivery to the
- Which of the following is the primary purpose of a drip leg (sediment trap) in a gas piping system?
- What is the minimum air-to-gas ratio required for complete combustion of natural gas?
More for Gas Fitter Practice candidates
Practice tests
Question explanations
- What is the maximum allowed pressure for a propane system supplying a residential appliance?
- When installing a gas outdoor appliance, what is the minimum required clearance from an opening into a buildin
- Which code specifies the requirements for the installation of propane-burning appliances and equipment?
- What is the maximum allowed pressure drop for gas piping within a building, from the point of delivery to the
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Gas Fitter Practice Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.