Following first-angle projection (as per Indian standards), Gopalakrishnan details how to project three principal views: front, top, and side. Hidden edges are shown as dashed lines, and centerlines indicate axes of symmetry.
To reveal internal features, the book explains full section, half section, offset section, and revolved sections. Hatching lines at 45° distinguish cut material. machine drawing book by gopalakrishnan pdf
[Your Name] Course: Engineering Graphics / Mechanical Drafting Date: [Current Date] the book explains full section