Book updated Jun 2026.
The ND Journeyman Plumber exam consists of five parts. Parts one and two are closed book and contain 100 multiple choice questions; and a drain, waste and vent pipe sizing completion. Parts three, four and five are open book and contain 40 completion questions; a water pipe sizing completion; and a drain, waste and vent with fixture units completion. Five hours are allowed to complete the exam. If an exam is failed a six-month waiting period is required to re-test.
This book covers Part ONE multiple choices written exam. A major focus of the exam is code compliance.
We create these self-practice test questions module referencing the concepts and principles currently valid in the written exam. Each question comes with an answer and a short explanation which aids you in seeking further study information. We want to make sure these questions are tough enough to really test your readiness and draw your focus to the weak areas. Think of these as challenges presented to you so to assess your comprehension of the subject matters. The goal is to reinforce learning, to validate successful transference of knowledge and to identify areas of weakness that require remediation.
