ASME GDTP Geometric Dimensioning and Tolerancing Professional Exam
The ASME GDTP (Geometric Dimensioning and Tolerancing Professional) Technologist exam is a 150-question, multiple-choice certification test based on the ASME Y14.5-2009 standard. Candidates have 4 hours to complete the exam. A passing score requires at least 78% overall and at least 50% in each of the 9 content domains, which cover scope and definitions, general tolerancing, symbology, datum reference frames, tolerances of form, orientation, location, profile, and runout. The exam is administered by ASME and is widely recognized in manufacturing, aerospace, and mechanical engineering industries.
150
Questions
240 min
Time Limit
78%
To Pass
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Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds