Plumber Red Seal · Question
According to the CSA B149.1 Natural Gas and Propane Installation Code, what is the minimum test pressure and duration for a new gas piping system with a working pressure of 3.5 kPa (0.5 psi)?
The B149.1 code requires that gas piping systems operating at pressures up to 3.5 kPa be tested at a minimum pressure of 100 kPa (approximately 15 psi) for a du
Start free practice for Plumber Red Seal
177 questions · no signup required · 40 free questions per day
Question: According to the CSA B149.1 Natural Gas and Propane Installation Code, what is the minimum test pressure and duration for a new gas piping system with a working pressure of 3.5 kPa (0.5 psi)?
Answer options:
- 50 kPa (7.5 psi) for 10 minutes
- 70 kPa (10 psi) for 30 minutes ✅ 100 kPa (15 psi) for 15 minutes
- 200 kPa (30 psi) for 20 minutes
Correct answer: 100 kPa (15 psi) for 15 minutes
Explanation: The B149.1 code requires that gas piping systems operating at pressures up to 3.5 kPa be tested at a minimum pressure of 100 kPa (approximately 15 psi) for a duration of at least 15 minutes without any drop in pressure.
Start free practice for Plumber Red Seal
177 questions · no signup required · 40 free questions per day
More about Plumber Red Seal
Related Questions
- Before starting a new plumbing installation in a residential basement, what is the primary reason why a plumbe
- A plumber is installing a new kitchen sink in an existing residential dwelling. The sink drain is connected to
- A plumber is installing drainage for a dishwasher in a residential kitchen. The dishwasher P-trap is located 1
- A plumber is asked to install a backflow prevention assembly on a lawn irrigation system connected to the pota
- A plumber is considering the velocity of water in a 50 mm (2") copper pipe supplying a commercial building. Ex
- A plumber is designing the domestic hot water recirculation system for a multi-story residential building. Wha
More for Plumber Red Seal candidates
Practice tests
Question explanations
- Before starting a new plumbing installation in a residential basement, what is the primary reason why a plumbe
- A plumber is installing a new kitchen sink in an existing residential dwelling. The sink drain is connected to
- A plumber is installing drainage for a dishwasher in a residential kitchen. The dishwasher P-trap is located 1
- A plumber is asked to install a backflow prevention assembly on a lawn irrigation system connected to the pota
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Plumber Red Seal Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.