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