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syllabi 10+1 voc streams - Government Senior Secondary School ...

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General<br />

33<br />

• Imporatance of safety precautions in a workshop.<br />

• Introduction to SI units fundamental and derived units.<br />

• Common workshop hand tools, measuring tools and their application. Spanners, socket set,<br />

Allen head key wrenches, pliers, pipe and chain wrenches, punches and screw drivers. Linear<br />

measurement tools, angular measurement tools and gauges.<br />

• Properties and uses of common engineering materials such as cast iron, mild steel, high carbon<br />

steel, alloy steel, stainless steel, copper, brass, tin, gunmetal, bronze, white metal, alluninium<br />

wood, plastic and rubber.<br />

• Measurements of Electical paramities e.g. current, voltage, resistance, Power and Power factor.<br />

• Plumbing : Functions and specifications of common plumbing tools and asseceries (pipe dies,<br />

pipe ranches etc.).<br />

• Corrosion and its remedies.<br />

Fitting and Drilling<br />

• Functions and specifications of common handtools such as vices, hammers, files, chisel,<br />

reamers, taps and die sets and hand hacksaw.<br />

• Drilling machines - parts and functions. Types of drill bits and applications.<br />

Smithy and Sheet Metal<br />

• Functions and specifications of smithy tools and accessories - blowers, furnace, anvils, swages<br />

plates, chisels, swage hammers, tongs, fuller's set, flattener, punches, takes, pokers, shovels and<br />

press scales.<br />

• Functions and specifications of common sheet metal tools and accessories - staker, hammers<br />

(wooden), snips, punches, grooves and chisels.<br />

Time:2 hrs Theory Marks: 30<br />

Syllabus Internal Assessment: 15<br />

Semester-II Total Marks: 45<br />

Welding<br />

• Arc and Oxy-acetylene welding<br />

• Functions and specifications of Arc welding equipment and accessories - welding transformer,<br />

electrodes, electrode holder, cables, cable connectors, cable lug, chipping hammer, earthing<br />

clamps, wire brush, helmet, screen safety goggles, hand gloves and apron.<br />

• Methods of arc welding, preparation for welding, proper selection of electrodes adustment/setting<br />

of current; welding defects; precautions in welding.<br />

Turning<br />

• Lathe: parts and functions of head-stock, bed, chuck, tail-stock, lead screw, tool post, apron,<br />

dead centre, etc.<br />

• Applications of pointed edge, straight edge, sharpened edge, facing, rought, left hand, right hand<br />

round nose and knurling tools.<br />

• Different operations performed on a lathe - facing, plain turning, step turning, taper turning,<br />

knurling, threading, boring, etc.<br />

Grinding<br />

• Double ended power grinder : parts and functions.

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