Review of Principle of orthographic projections, Limits, fits, and tolerances of size and form; Types and grade, use of tolerance tables and specification of tolerances, form and cumulative tolerances, tolerance dimensioning, general tolerances; Surface quality symbols, terminology and representation on drawings, correlation of tolerances and surface quality with manufacturing techniques. Sectioning and conventional representation.
Screw threads, approximate and conventional representations; Specifications; Threaded fasteners: Types, forms, standard, and specifications; Drawing of temporary connections; Foundation bolts; Locking Devices: Classification, principles of operation, standard types and their proportions; Shaft Couplings: Common types, standard proportions for some couplings: Assembly and disassembly of the following Coupling: Pin type, flexible coupling, cone friction clutch; Pipe Joints, common pipe connections.
Rivets: Standard forms and proportions; Riveted Joints: Common types of joints, terminology, proportions and representation; Welds: Types of welds and welded joints, edge preparation, specifications, and representation of welds on drawings.
Review of sheet preparation, boundary lines, zones, title block, revision panel, parts list, numbering of components and associated detail drawings; Assembly drawings of various machine sub-assemblies and assemblies from detail drawings, sketched and actual machine components
Steam stop valve, feed check valve, Rams bottom safety valve, blow off cock.
Swivel bearing, thrust bearing, plumber block
Screw jack, drill press vice, connecting rod, eccentric, Lathe tailstock.
use of various application software like AutoCAD, Pro-E Creo etc. for drawing of the above listed machine components and their assemblies.
First angle projection to be used. Drawings should contain bill of materials and should illustrate surface finish. The syllabus given above indicates the broad outlines and the scope of the subject to be covered.