Gas Fitter Practice · Question
What is the primary characteristic that differentiates natural gas from propane in its natural state at standard temperature and pressure?
Natural gas (primarily methane) is lighter than air, meaning it rises. Propane is heavier than air and will pool in low areas.
Start free practice for Gas Fitter Practice
200 questions · no signup required · 40 free questions per day
Question: What is the primary characteristic that differentiates natural gas from propane in its natural state at standard temperature and pressure?
Answer options:
- Natural gas is heavier than air, propane is lighter than air. ✅ Natural gas is lighter than air, propane is heavier than air.
- Natural gas has a lower heating value than propane.
- Natural gas requires a higher ignition temperature than propane.
Correct answer: Natural gas is lighter than air, propane is heavier than air.
Explanation: Natural gas (primarily methane) is lighter than air, meaning it rises. Propane is heavier than air and will pool in low areas.
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.