Gas Fitter Practice · Question
What is the minimum clearance from an appliance vent termination to an opening into a building (e.g., window, door) for a natural draft appliance?
Proper clearances are essential to prevent flue gases from re-entering the building.
Start free practice for Gas Fitter Practice
200 questions · no signup required · 40 free questions per day
Question: What is the minimum clearance from an appliance vent termination to an opening into a building (e.g., window, door) for a natural draft appliance?
Answer options:
- 6 inches (150 mm) ✅ 12 inches (300 mm)
- 18 inches (450 mm)
- 24 inches (600 mm)
Correct answer: 12 inches (300 mm)
Explanation: Proper clearances are essential to prevent flue gases from re-entering the building.
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.