Workshop Calculation & Science-2nd  year  ( Common for all Engineering trades under CTS ) 

Workshop Calculation & Science-2nd  year  ( Common for all Engineering trades under CTS ) 

I.    Friction

• Advantages and disadvantages, Laws of friction, co- efficient of friction, angle of friction, simple problems related to friction
• Friction – Lubrication
• Co- efficient of friction, application and effects of friction in workshop practice

II.    Centre of Gravity

• Centre of gravity and its practical application

III.    Area of cut – out regular surfaces and area of irregular surfaces

• Area of cut – out regular surfaces – circle, segment and sector of circle
• Related problems of area of cut – out regular surfaces –
• circle, segment and sector of circle
• Area of irregular surfaces and application related to shop problems

IV.    Algebra,

• Addition, Subtraction, Multiplication & Divisions
• Algebra – Theory of indices, Algebraic formula, related problems

V.    Elasticity

• Elastic, plastic materials, stress, strains and their units and young modulus
• Ultimate stress and working stress

VI.    Heat Treatment

• Heat treatment and advantages
• Different heat treatment process – Hardening, Tempering, Annealing, Normalising, Case Hardening

VII.    Profit and Loss

• Simple problems on profit & loss
• Simple and compound interest

VIII.    Estimation and Costing

• Simple estimation of the requirement of material etc., as applicable to the trade
• Problems on estimation and costing