Mechanical Drafting – ADDA Certification Practice Exam (40 Questions) – Section Views, Pictorials, Linetypes | 2025/2026 | Technical Drawing

This document provides a thoroughly prepared and graded A+ practice exam for the ADDA Mechanical Drafter Certification – Part I for the academic year 2025/2026. It includes 40 carefully selected and verified questions with accurate answers, structured to mirror the style and content of the official ADDA certification test. The material emphasizes fundamental mechanical drafting principles, such as multiview and auxiliary views, section views (removed, offset), cutting and viewing plane lines, line types (center, phantom, leader), pictorial projections (oblique, perspective), and unit conversions. In addition, this resource covers in-depth knowledge related to shape and size representation, fold lines, surface visualization, and dimensioning practices, following industry-standard technical drawing conventions. The exam material adheres to real-world drafting practices, ensuring that users become familiar with terminology and drawing standards relevant to both academic assessments and professional environments. This document is especially useful for students enrolled in mechanical drafting, CAD fundamentals, engineering graphics, or industrial design programs. It supports exam preparation for community college students, technical school trainees, and university-level engineering majors pursuing certification through ADDA or similar technical drafting credentials. It can also serve as a classroom supplement or individual study guide for educators and learners seeking clarity on essential drafting concepts. Keywords: mechanical drafting, ADDA certification, section views, auxiliary views, orthographic projection, linetypes, dimensioning, cutting plane, viewing plane, oblique drawing, perspective drawing, unit conversion, drafting standards, technical drawing exam, engineering graphics