Journeyman plumber traps and interceptors practice questions

10 questions · Untimed · Explanation after each question

Trap seal depth, prohibited traps, how seals are lost, trap primers, shared traps, and grease, oil, lint and sand interceptors.

Line drawing of a grease interceptor box with an inlet pipe, an outlet pipe and a removable lid

Before you start

Every question has four options and one correct answer. Each explanation says why the answer is right and why the most tempting wrong answer is wrong.
Check each answer to see the explanation before moving on. Checked answers cannot be changed.

Original practice questions written to the TSBPE Journeyman Plumber Examination Review Course, the ICC G25 content outline and the 2018 International Plumbing Code and Uniform Plumbing Code; they are not exam questions and quote no code text. Independent practice, not affiliated with or endorsed by the Texas State Board of Plumbing Examiners, the International Code Council, IAPMO or Pearson VUE. International Plumbing Code is a trademark of the International Code Council; Uniform Plumbing Code is a trademark of IAPMO.