Plumber Red Seal · Question
A plumber is installing a potable water distribution system in a new two-storey residential dwelling. Based on the National Plumbing Code of Canada, what is the minimum required static pressure that must be available at the highest fixture outlet?
The National Plumbing Code of Canada specifies a minimum static pressure of 200 kPa (29 psi) at the highest fixture outlet to ensure adequate water delivery for
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Question: A plumber is installing a potable water distribution system in a new two-storey residential dwelling. Based on the National Plumbing Code of Canada, what is the minimum required static pressure that must be available at the highest fixture outlet?
Answer options:
- 140 kPa (20 psi) ✅ 200 kPa (29 psi)
- 275 kPa (40 psi)
- 345 kPa (50 psi)
Correct answer: 200 kPa (29 psi)
Explanation: The National Plumbing Code of Canada specifies a minimum static pressure of 200 kPa (29 psi) at the highest fixture outlet to ensure adequate water delivery for residential use. 140 kPa is below the minimum, while 275 kPa and 345 kPa, though higher, are not the universally stipulated minimum.
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