Each certification candidate is required to pass a written examination which consists of multiple choice questions that measure comprehension of the Body of Knowledge. It is offered in the English language only. Retake versions differ from original examinations. Sample examination questions are included in the Study Guide . Examinations are conducted twice a year, in early March and early October, by local ASQ sections and foreign international organizations.
All examinations are open-book.
Each participant must bring his or her own reference materials. Use of reference materials and calculators is explained in the seating letter provided to applicants. The Body of Knowledge for certification is constantly affected by new technologies, policies, and the changing dynamics of manufacturing and service industries. Changed versions of the examination are used at each offering. The following is an outline of topics that constitute the Body of Knowledge for Mechanical Inspector.