Most People Fail This Plumbing Quiz — Can You Pass?
Which pipe is most resistant to corrosion and often used outdoors?
95%
Correct!
Incorrect!
Galvanized steel pipes are coated to resist rust and corrosion, making them suitable for outdoor or exposed installations. People sometimes assume copper or PVC will last outdoors, but only properly treated steel provides long-term durability in harsh conditions.
Which pipe is most resistant to corrosion and often used outdoors?
Copper
Galvanized steel
PVC
PEX
95%
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