Kerala PSC Tradesman Sheet Metal
| Topic | Content |
| Metallurgy
(06 marks) |
Physical and Mechanical properties of metal, Ferrous and Non-Ferrous metal, Cast Iron, Plain Carbon Steels, Alloy Steels, Non –Ferrous Alloy Metals, Melting Points & Specific Gravity |
| Specification of Metal Section (Making Process) 06 marks | Sheet/ Plate, Flat bar, Angles, Channels, Various hollow sections, Solid sections
Hot rolling Cold rolling |
| Measuring and Marking Tools ( 12 marks) | Steel rule, Try Square, L Square, Bevel protractor, Calipers, Straight edge, Scriber, Dividers, Trammels, Making Punches, Micrometer, Vernier Caliper, Vernier Bevel Protractor, Vernier Height Gauge, Standard wire Gauge, Screw Pitch Gauge, Radius Gauge |
| Cutting and Forming Tools ( 12 Marks) | Snips and Shears, Bench Shears, Hack Saw, Chisels, Files, Cutting Punches, Drill Bits, Thread Forming Tools (Internal and External), Hammers and Mallets, Sheet Metal Hammers, Stakes and Other supporting tools, screw drivers, spanners , vice and clamps |
| Sheet Metal Seams & Stiffening Process ( 8 marks) | Groovede Seam, Locked Grooved Seam, Paned Down Seam, Knocked up Seam, Capstrip seam, Dovetail Seam, Snap Lock Seam, Butt Joint, Lap Joint, Sunk Lap Joint, Stake Joint, Edge wiring and Hemming, Swaging and Beading, Flanging and curling |
| Various cutting & forming process and Surface Development ( 20 marks) | Notching, Blanking, Piercing, Punching, Shearing, Perforating, Sliting, Lancing, Nibbling, Trimming, Parting, Bending, Folding, Drawing, Embossing, Planishing, Hollowing, Raising, Spinning, Creasing, Grooving, Geometrical Construction Method, Parallel Line Method, Radial Line Method, Triangulation method |
| Machines & Equipments for sheet metal fabrication process
( 12 marks) |
Drilling Machine, Shearing Machine, Press Brakes, Bar Folders, Circular Shears, Roll Forming Machines, Fly Press, Power Press, Polishing & Buffing Machines, Grinder, Air Compressor & Spray Painting Equipments, Pipe Bending Machines & Equipments, Heating & Forging Equipments, Jigs & Fixtures |
| Various joining Process & Advanced Cutting Process ( 2 marks) | Riveting, Soldering, Brazing, Gas Welding & Gas Cutting, Shielded Metal Arc Welding (MMAW), Metal Inert Gas Welding (GMAW), Tungsten Inert Gas Welding (GTAW), Resistance Welding, Water Jet Cutting, Plasma Cutting, LASER Cutting |
| Surface Preparation, Surface Protection and Aluminium Fabrication ( 6 marks) | Degreasing, Pickling, Flame Descaling, Temporary Treatment, Semi Permanent Treatment, Permanent Treatment, Aluminium Fabrication, Various Aluminium Sections, Tools & Equipments, Screws, Bolts & Nuts, Threads |
| Manufacturing, Repairing, Material Calculation ( 6 Marks) | Roof structors, House hold & Kitchen Accessories, Air Condition Equipments, Shipping Industry, Aircraft Industry, Automobile Industry, Locomotive Industry, Electrical Industry, space projects, Agricultural Industry, Mensuration, Trigonometry |
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