Access JNTUK & JNTUGV Mechanics of Solids Important Questions PDF Download 2024
Syllabus
UNIT I: Simple Stresses & Strains
Elasticity and plasticity – Types of stresses & strains – Hooke’s law – stress–strain diagram for ductile and brittle material–Working stress–Factor of safety–Lateral strain, Poisson’s ratio & volumetricstrain.Elastic Module & the relationship between them–Bars of varying section–composite bars–Temperature stresses. Strain energy – Resilience–Gradual, sudden, impact and shock loadings.
UNIT II: Shear Force and Bending Moment
Definition of beam –Types of beams–Concept of shear force and bending moment–SF and BM diagrams for cantilever, simply supported and overhanging beams subjected to point loads, UDL,UVL and combination of these loads–Point of contra flexure–Relation between SF and BM and rate of loading at section of a beam.
UNIT III: Bending Stresses & Shear Stresses
A: Bending Stresses: Theory of simple bending– Assumptions– Neutral axis – Derivation of bending equation: M/I=f/y=E/R –Determination bending stresses– section modulus of rectangular and circular sections (Solid and Hollow), I, T, Angle and Channel sections–Design of simple beam sections.B: Shear Stresses: Derivation of formula – Shear stress distribution across various beam sections –rectangular, circular, triangular, I, T and angle sections.
UNIT IV: Deflection of Beams &Torsion
Deflection of Beams: Bending into a circular arc–slope, deflection and radius of curvature –Differential equation for the elastic line of a beam– Double integration and Macaulay’s methods–Determination of slope and deflection for cantilever and simply supported beams subjected to point loads- UDL – uniformly varying load.Torsion: Theory of pure torsion – Assumptions – Derivation of torsion equation, polar section modulus– power transmitted by shafts – combined bending and torsion.
UNIT V: Analysis of Pin Jointed Plane Frames & Thin Cylinders
Analysis of Pin- Jointed Plane Frames: Determination of forces in the members of various types of cantilever & simply supported trusses using (i) Method of Joints (ii) Method of Sections.Thin Cylinders: Thin seamless cylindrical shells–Derivation of formula for longitudinal and circumferential stresses– hoop, longitudinal and volumetric strains– changes in diameter and volume of thin cylinder.
JNTUK & JNTUGV Mechanics of Solids Important Questions PDF Download 2024
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