IET 226 Midterm Exam 2025/2026 – 150 Q&A | CAD, CATIA, Parametric Modeling | Mechanical Engineering

This document is a comprehensive midterm exam preparation guide for IET 226, specifically developed for the 2025/2026 academic year. It contains 150 carefully structured questions and accurate answers covering key concepts in Computer-Aided Design (CAD) and engineering graphics, tailored for mechanical engineering and industrial engineering students. Topics covered include: Differences between raster and vector graphics Fundamentals and applications of CAD, CAM, FEA/FEM, and CFD 3D modeling methodologies: primitives, sweeps, Boolean operations, CSG, B-Rep Parametric and feature-based modeling In-depth tools and commands in CATIA V5 across workbenches (Part Design, Assembly Design, Drafting) File structures, constraints, sketching tools, and transformation features Rib, loft, shell, fillet, groove, and pocket creation tools Geometry definitions, HOC keys, view modes, and manipulation tools Solid modeling principles, user-defined properties, and CATIA-specific interface elements This resource is ideal for students pursuing: Mechanical Engineering Industrial Engineering Engineering Design Technology Computer-Aided Design Certification Courses like: IET 226 – Engineering Graphics and CAD, Mechanical Design with CAD, 3D Modeling and Assembly Techniques It is best suited for students at: University of Arizona Arizona State University Northern Arizona University Community colleges or technical schools offering CAD/CATIA-based coursework The content reflects the latest exam updates and is presented in a clear, categorized Q&A format to maximize understanding and memorization. It serves as a powerful midterm revision tool or a full study companion for new learners. Keywords: IET 226 midterm, CAD exam questions, CATIA tools, parametric modeling, 3D modeling methods, mechanical design prep, feature-based modeling, engineering graphics, industrial design exam, engineering sketch constraints, part design CATIA, assembly design workbench, transformation tools, CATIA V5 commands, mechanical engineering CAD, University of Arizona engineering