Gas Fitter Practice · Question
When installing a gas-fired water heater, what is the purpose of the temperature and pressure relief (T&P) valve?
The T&P valve is a critical safety device designed to release water if either temperature or pressure limits are exceeded, preventing tank rupture.
Start free practice for Gas Fitter Practice
200 questions · no signup required · 40 free questions per day
Question: When installing a gas-fired water heater, what is the purpose of the temperature and pressure relief (T&P) valve?
Answer options:
- To drain the tank for maintenance. ✅ To prevent excessive temperature or pressure within the water heater.
- To regulate the water flow into the tank.
- To automatically ignite the burner.
Correct answer: To prevent excessive temperature or pressure within the water heater.
Explanation: The T&P valve is a critical safety device designed to release water if either temperature or pressure limits are exceeded, preventing tank rupture.
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.