Most People Fail This Plumbing Quiz — Can You Pass?

What is the purpose of a P-trap?

45%

Correct!

Incorrect!

P-traps hold water to prevent sewer gases from entering the home. Many assume the trap just drains water, but without a water seal, odors can escape. Checking traps regularly and pouring water into unused drains keeps the seal effective and the home smelling fresh.

What is the purpose of a P-trap?

Measure pressure

Drain water slowly

Connect pipes

Block sewer gases

45%