Physics · Environmental Engineering

Why is an intercepting trap often provided at the junction of a house sewer and a municipal sewer?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1To prevent the entry of colloidal particles
2To prevent the entry of foul gases from the municipal sewer into the house system✓
3To prevent airlocks and siphonage
4To prevent the leakage of the existing sullage pipes

Correct answer

To prevent the entry of foul gases from the municipal sewer into the house system

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