Red Seal Plumbing Practice Exam

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Question: 1 / 50

The water closet bowl with a deep trap seal and a jet opening in the fixture trap outlet is called the ______ bowl.

siphon jet

A siphon jet bowl is the only option mentioned in the choices with a deep trap seal and a jet opening in the fixture trap outlet. A gravity flow bowl does not have a jet opening, and a pressure-assisted or vacuum-assisted bowl do not have a deep trap seal. Therefore, A is the most accurate choice.

gravity flow

pressure-assisted

vacuum-assisted

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