Strength of material pdf mcq ( objective Questions and answers ) are picked precisely from the topics in content below:

**CONTENT**

**BASIC DEFINITIONS****TYPES OF STRESSES:**Types of Strains, Elastic Body and Elastic Strains, Plastic Body and Plastic Strains.**HOOKE’S LAW:**Modulus of Elasticity or Young’s Modulus (E), Modulus of Rigidity or Shear Modulus of Elasticity, Bulk Modulus (K).**EXTENSION OF A UNIFORM ROD OR UNIFORMLY TAPERING ROD****STRESS AND EXTENSION OF A UNIFORM ROD OR CONICAL ROD**

**DUE TO ITS OWN WEIGHT****BARS OF COMPOSITE SECTIONS****THERMAL STRESSES****POISSON’S RATIO AND LATERAL STRAIN****RESILIENCE:**Shear Resilience, Relations between Modulus of Elasticity (E), Modulus of Rigidity (C) and Bulk Modulus

(K) in Terms of Poisson’s Ratio**STRESSES ON AN INCLINED SECTION OF A BAR CARRYING AXIAL****LOAD:**A Bar Subjected to One Tensile Stress, A Bar Subjected to Two Like Principal Stresses, A Bar Subjected to Two Direct Stresses in Two Mutually Perpendicular Direction

Accompanied by a Shear Stress (τ)**MOHR’S CIRCLE OF STRESSES:**A Bar Subjected to Two Unequal Like Principal Stresses, A Bar is Subjected to Two Unequal Unlike Principal Stresses**PRINCIPAL STRESSES ON A POINT ON A SHAFT SUBJECTED TO BENDING AND TORSION****STRAIN ENERGY STORED IN A STRAINED MATERIAL****SHEAR FORCE DIAGRAM AND BENDING MOMENT DIAGRAM:**Shear Force Diagram, Bending Moment Diagram, Beam, Types of Loading, Relation Between Shear Force (S.F.) and Bending Moment (B.M.) at a Section, Point of Contra-flexure or Point of Inflexion, Bending Equation, Section Modulus, Differential Equations of Flexure**DEFLECTION AND SLOPE:**Uniform Beam Simply Supported at the Ends, Beam with uniformly distributed load, Beam with a point load (W) at a distance ‘a’ from one end and ‘b’ from the other end., Cantilevers, A cantilever with a point load (W) at the free end., A cantilever carrying a uniformly distributed load of w per unit length over the whole length (l), A cantilever of length (l) carrying a load whose intensity varies uniformly from zero at free end to w per unit length at the fixed end, Fixed Beam, Fixed beam carrying a point load at the centre, Fixed beam carrying a uniformly distributed load of w per unit length over the whole span.**TORSION OF SHAFTS:**Polar Modulus, Torsional Rigidity, Power Transmitted by a Rotating Shaft, Torsional Resilience**SPRINGS:**Laminated Springs, Helical Springs, Close-coiled Helical Springs, Open-coiled Helical Springs**DIRECT AND BENDING STRESSES****THIN CYLINDERS AND SPHERES:**Strains in Cylindrical Shells, Riveted Cylindrical Shells, Thin Spherical Shells**THICK CYLINDERS AND SPHERES:**Thick Spherical Shells-
**COLUMNS AND STRUTS:**Slenderness Ratio, Buckling Factor, Equivalent Length, End Condition, Euler’s Theory of Long Columns, Rankine’s Formula, Gordon’s Formula, Johnson’s Parabolic Formula **STRESS-STRAIN CURVE FOR A MILD STEEL BAR**

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