syllabus

Simple stresses and Strains: Stress-strain concept, Hooke’s law, elastic constants, stress-strain
behavior of materials, axial deformation.
Practical
1. Tension Test on Mild Steel / HYSD Steel
2. Determination of Elastic Constants (E, G, V) using bar / torsion tests.
3. Hardness testing of metals using: – Brinell hardness test and Rockwell hardness test.
Complex Stress Conditions and Mohr’s Circle: Uniaxial, biaxial, and triaxial states of stress,
thermal stresses in axially loaded composite bars, stresses on inclined planes, principal stresses
and planes, Mohr’s circle.
Activity: Prepare a poster explaining construction of Mohr’s circle
Shear force and Bending Moment: Beam types – loads (point load, UDL, UVL, effects of
applied moments (concentrated and distributed) – SFD and BMD for cantilever, simply
supported and overhanging beams.
Activity: Review of Competitive exam Questions related to SFD and BMD
Bending and shear stresses: Bending theory, bending equation, stress distribution in beams
and sections.
Practical
4. Determination of ultimate shear stress of a mild steel rod by conducting a double shear
test.
Deflection of Beams: Double integration method – Macaulay’s method – Area moment method
– conjugate beam method for computation of slopes and deflections of determinant beams.
5. Determination of Young’s modulus of a beam with rectangular cross section (metal and
wooden specimens) by conducting deflection tests.
Torsion, springs and trusses: Torsion equation and assumptions, analysis of solid and hollow
circular shafts, torsional rigidity, combined torsion and bending, shafts in series and parallel;
helical springs (open and closed-coiled); analysis of determinate pin-jointed plane trusses using
method of joints, sections.
Practical
6. Open and Closed Coiled Helical Springs – Determine stiffness and deflection under load.