Certified in Plumbing Design (CPD) / PE Mechanical
Administered by ASPE (CPD) / NCEES (PE)
5 free / 50
Questions
240 min
Time limit
70%
Pass mark
Open-reference
References
🔓 Free preview, then unlock
The first 5 questions are free. To finish all 50questions with full scoring, a topic breakdown, and answer explanations, you'll unlock the rest with the All-Access Pass.
What this is
A full-length practice exam in engineered plumbing design covering water supply sizing by fixture units and Hunter's curve, drainage/waste/vent sizing, storm drainage, hot-water generation and distribution, fuel gas piping, and applicable plumbing codes (IPC/UPC).
Water Supply SizingDWV SizingStorm DrainageHot-Water SystemsFuel Gas SystemsCodes & Standards
📊 What you get at the end
Your overall score and a clear pass/fail result against the 70% pass mark — instantly, no waiting
A performance breakdown by topic, so you can see exactly which areas need more study
Every question reviewed afterward with the correct answer and a full explanation — including the ones you missed
⚠️ These are original practice questions modeled on the topics and difficulty of the ASPE Certified in Plumbing Design (CPD) and NCEES PE plumbing-design body of knowledge; they are not reproductions of actual exam items. Code values, methods, and licensing requirements vary by jurisdiction and adopted edition, so verify current ASPE, IPC/UPC, and NCEES references before testing or designing.
EngineersUniverse is an independent educational publisher and is not affiliated with, endorsed by, certified by, or sponsored by ASPE (CPD) / NCEES (PE) or any other organization named on this page.CPD / PE Plumbing Design and any other credential names referenced are trademarks of their respective owners, used here solely to identify the exam this practice test is modeled on. See our full disclaimer.
The timer starts when you begin. No payment required to try the first 5 questions.