TRADESMAN (Strength of Material) Exam: A Comprehensive Guide

1. The syllabus for the exam is divided into 10 modules, each carrying 10 marks. Here’s a brief overview of each module:

   Module 1. Simple stress and strain -10 marks

   Material classification, Elasticity, Stress, Strain, Types of strain, Elastic limit, Hooke’s law, Stress Strain curve, Simple problems based on stress strain relation, Stress incomposite material, Thermal stress

   Module 2. Elastic constraints -10 marks

   Longitudinal strain, Lateral strain, Poisson’s Ratio, Volumetric Strain, Bulk modulus, Relation between different strains, Shear stress, Modulus of Rigidity

   Module 3. Strain energy and impact load -10 marks

   Strain energy, Different types of loading, Resilience, Proof resilience, Modulus of resilience

   Module 4. Centre of gravity -10 marks

   Centre of gravity of geometrical figures (Rectangle, square, circle, triangle), Moment of inertia, Parallel axis theorem, Perpendicular axis theorem, Moment of inertia of Square, Rectangle and Circle.

   Module 5. Framed structures -10 marks

   Classes of frame, Perfect frame, Imperfect frame (deficient frame, redundant frame), Reactions of support.

   Module 6. Shear force and bending moment of beams -10 marks

   Types of beams, types of loading, Shear force and Bending moment of different types of beams, bending stress in beams, Point of Contraflupture, Theory of simple bending, Bending equation

   Module 7. Deflection of beams -10 marks

   Deflection of beams, Deflection of composite beams, Fixed beams, Continuous beams, Direct stress, Bending stress

   Module 8. Column and struct -10 marks

   Classification Of column, Failure of columns, Euler’s equation and Condition of columns, Equivalent length and Effective length of columns, Slenderness ratio, Rankine’s formula, Johnson’s formula

   Module 9. Torsion of shafts -10 marks

   Torsional stress and strain in circular shafts, Polar moment of inertia, Torsion equation, Power transmitted by shafts, Composite shafts, Strength of shafts, Solid shaft and hollow shaft, Modulus of rupture, Spring, Bending spring, Torsional spring, Stiffness of spring

   Module 10. Mechanical testing of materials 10 marks

   Types of mechanical tests of materials, Hardness test, Tension test, Compression test, Shear test, bending test, Torsional test, Impact test, Buckling of long column test, Fatigue test

   Please note that apart from the topics detailed above, questions from other topics prescribed for the educational qualification of the post may also appear in the question paper. There is no undertaking that all the topics above may be covered in the question paper.

Best of luck to all the candidates! Prepare well and do your best.