Apr 30, 2026  
YTI Catalog 2025-2026 
    
YTI Catalog 2025-2026

DDDE 120 - Mechanical Drafting Theory


Quarter Credit Hour(s): 4

Prerequisite(s): DDDE 110  

Students will learn the aspects of mechanical drafting. Discussions include dimensioning and drawing standards, threads, forming process, industrial piping, and welding.