syllabi 10+1 voc streams - Government Senior Secondary School ...
syllabi 10+1 voc streams - Government Senior Secondary School ...
syllabi 10+1 voc streams - Government Senior Secondary School ...
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108<br />
LATHE MACHINE AND OPERATIONS<br />
Time : 3 hrs. PRACTICAL Marks : 25<br />
Semester-I<br />
I. Holding of job in four jaw chuck, contering with the help of check method, scriber and cutting<br />
tool.<br />
II. Setting the tool in tool port : Plain turning, facing and parting off M.M.S Dies as per given<br />
dimensions by teacher.<br />
III. Step turning on M.S. Bar, as per dimensions given by teacher.<br />
Time: 3 hrs Semester-II M. Marks : 50<br />
I. To do grinding of single point cutting tool according to specific geometry.<br />
II. Taper turning and knurrling and chamfering, threading.<br />
III. Drilling and Boring.<br />
IV. To practice on dismantling and assembling of different accessories and case and maintenance of<br />
lathe machine.<br />
Paper-II ENGINEERING MATERIAL<br />
Time : 2 hrs. Theory Marks : 30<br />
Semester-I Int. Ass./CCE: 10<br />
Total Marks: 40<br />
I. INTRODUCTION :<br />
Materials classification - Metals, Ferrous and Non ferrous, Metals and Non metals. Different<br />
non-metals - plastic-rubber and wood.<br />
II. PROPERTIES OF MATERIALS<br />
Physical and mechanical properties. Physical properties as colour, weight etc.<br />
Mechanical properties as Strength, elasticity, plasticity, ductilities britlness, moleability,<br />
hardness, toughness. Technological properties, Machinability, For mability, Welderbility<br />
Measurement of hardness-brinell and Rockwell.<br />
III. FERROUS METALS<br />
Mineral ores, Different types of ores of metallurgical. Definitions, Description of pig iron. Process,<br />
working of Blast furnance, typed cast iron, wrought iron: composition, Properties and uses. Steel:<br />
composition, properties and uses.<br />
IV. STEEL AND ALLOYSTEEL :<br />
Introduction: Composition of MS in %age of properties and uses of steel manufacturing of<br />
carbon steel. Basic constituents of steel, Iron-Carbon equilibrium Diagram, Composition,<br />
properties and uses of special alloy steel such as - chromium, nickel, stainless steel High<br />
carbon steel, High speed steel, Molybdenum, tungsten and vanadium steel.<br />
SEMESTER-II<br />
Time: 2 hrs THEORY Marks: 30<br />
Int. Ass./CCE: 15<br />
Total Marks: 45<br />
I. HEAT TREATMENT<br />
Definition, Advantages of Heat treatment, Effect of heat on steel, methods of heat treatment<br />
i.e. Normalising, Annealing, Hardening, Tempering, case hardening, cyaniding, Nitriding,<br />
Flame hardening etc.<br />
II. MECHANICAL WORKING OF METALS<br />
Introduction, Mechanical working (Process), Hot working, Principle methods of hot working i.e.<br />
Roling (Hot and Cold) Drawing, extracting and Forging (only drop Forging).