Most People Fail This Plumbing Item Quiz—Can You Pass?
Which plumbing part is usually located directly under a sink?
30%
Correct!
Incorrect!
The curved P-trap pipe is normally visible right under the sink basin. When a sink drains slowly, plumbers often check this part first because debris can collect there.
Which plumbing part is usually located directly under a sink?
P-trap
Vent pipe
Water heater
Sink faucet
30%
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