Gas Fitter Practice · Question
What is the primary function of a draft hood on an atmospheric gas appliance?
A draft hood helps stabilize the draft within the flue pipe, preventing adverse outdoor atmospheric conditions from interfering with the combustion process and
Start free practice for Gas Fitter Practice
200 questions · no signup required · 40 free questions per day
Question: What is the primary function of a draft hood on an atmospheric gas appliance?
Answer options:
- To increase the efficiency of the appliance ✅ To prevent downdrafts from affecting combustion
- To regulate the gas pressure to the burner
- To sense the presence of a pilot flame
Correct answer: To prevent downdrafts from affecting combustion
Explanation: A draft hood helps stabilize the draft within the flue pipe, preventing adverse outdoor atmospheric conditions from interfering with the combustion process and ensuring proper venting.
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.