Plumber Red Seal · Question
How are gas pipes typically sized in Canada?
Gas pipes in Canada, like many other common piping systems, are typically sized by Nominal Pipe Size (NPS). This refers to a set of standard sizes that are neit
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Question: How are gas pipes typically sized in Canada?
Answer options:
- By outer diameter (OD)
- By inner diameter (ID) ✅ By nominal pipe size (NPS)
- By pressure rating
Correct answer: By nominal pipe size (NPS)
Explanation: Gas pipes in Canada, like many other common piping systems, are typically sized by Nominal Pipe Size (NPS). This refers to a set of standard sizes that are neither the actual inner nor outer diameter, but a standardized dimension.
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