Strength of Materials MCQs with Answers & Solutions — Page 5

A solid cylinder of steel is placed inside a copper tube. The assembly is compressed between rigid plates by forces P. What is the value of increase…Simple Stress and Strain

Consider the following statements regarding the distribution shear stress assumptions : 1. For all values of y, q is uniform across the width of the…Shear Stresses in Beams

Which one of the following statements is NOT a property of the curves ?Principal Stresses and Strains

A rod of circular section is subjected to a shearing force on a plane perpendicular to its axis. What is the maximum shearing stress in terms of…Shear Stresses in Beams

A beam 3 m long, simply supported at its ends is carrying a point load W at its mid-span. If the slope at the ends of the beam does not exceed 1°,…Deflection of Beams

Consider the following statements regarding the properties of materials : 1. A material in plastic state is temporarily deformed by the application…Simple Stress and Strain

Match the following lists : List I (Materials): P. Aluminium alloys Q. Cast iron R. Copper S. Steel T. Wrought iron List II (Modulus of elasticity):…Elastic Constants

Which one of the following is NOT an assumption of impact loading on a beam ?Strain Energy

What is the maximum deflection for cantilever subjected to udl throughout ? (Where E is the modulus of elasticity of concrete, I is the moment of…Deflection of Beams

A cylindrical rod is subjected to an uniaxial tensile load. Which of the following statements regarding the rod's material behavior is correct if it…Simple Stress and Strain

A material exhibits both time-dependent and temperature-dependent deformation under a constant load. Which of the following is the most appropriate…Simple Stress and Strain

The fatigue strength of a material is most significantly affected bySimple Stress and Strain

Q.4 The value of slope at fixed support of a cantilever beam of length L, flexural rigidity EI, subjected to a point load 'P' at its mid span, and…Deflection of Beams

Q.24 A beam cross section has shape of an angle section. Which of the following cross sections has the same nature of shear stress distribution as…Shear Stresses in Beams

Q.54 In the double integration method for a simply supported beam subjected to UDL over its entire span, the slope and deflection calculation will…Deflection of Beams

Q.65 Select the correct statement regarding the 1st and 2nd moment of area of a circular lamina with radius 'R'.Bending Stress

A simply supported beam of length 4 m is subjected to a udl of intensity 10 kN/m over entire span of beam. Determine the magnitude of maximum shear…Shear Force and Bending Moment

Find the value of shear force at one-fourth of the given span from the left support as shown in the diagram (Simply supported beam of length L with…Shear Force and Bending Moment

Find the bending moment at a distance L/4 from end A of the simply supported beam of length L carrying a uniformly distributed load w over entire…Shear Force and Bending Moment

Which of the following stresses is mainly responsible for the stability of a masonry chimney?Core or Kernel of Section

A semicircular lamina has radius R and diameter D. Determine the moment of inertia about the diametrical axis as shown below?Bending Stress

Find the support reactions acting on the given simply supported beam of length 6 m, which is subjected to a uniformly distributed load of intensity…Shear Force and Bending Moment

A rectangular shape of stress distribution diagram at the base of a circular chimney is shown in figure. By referring to it, it may be concluded that:Core or Kernel of Section

Polar moment of inertia about central axis of a semi-circular lamina with radius R is given asTorsion of Shafts

A material has linear strains along X, Y and Z directions as 0.05, 0.10 and 0.10, respectively. Hydrostatic stress acting at a point in the material…Simple Stress and Strain

For a semicircular plate of diameter 'D' and radius 'R', with 'y' as the vertical axis passing through the diameter and 'x' as the horizontal axis…Bending Stress

The integration constant C₁ used in Macaulay's method of analysis is obtained by applying _____ to the integrated (1st integral) differential…Deflection of Beams

For a linearly elastic, homogeneous, and isotropic material having modulus of rigidity - G and modulus of elasticity - E, the range of G is given as:Simple Stress and Strain

EIy = -(5/6)x³ + C₁x + (5/2)(x - 6)³ is the equation of deflection obtained by using Macaulay's method for the beam shown in the following figure…Deflection of Beams

In order to have exactly zero tensile stress at one extreme fibre of a solid circular section (dia - D) subjected to combined direct (compressive)…Core or Kernel of Section

Which of the following methods used for finding the slope and deflection of beams is also called the 'method of singularity function'?Deflection of Beams

A cantilever beam subjected to two different point loads is shown in the figure [Fixed at A, 10 kN at B (2 m from A), 20 kN at free end C (1 m from…Deflection of Beams

If the value of Poisson's ratio for a material is given as 0.35, then the elastic constants are related to each other as:Simple Stress and Strain

Linear strains along X, Y and Z directions in an object with homogenous material are given as 0.05, 0.10 and 0.10, respectively. The size of the…Simple Stress and Strain

Which of the following stress distribution diagrams represents the condition where the intensity of direct stress is less than the intensity of…Core or Kernel of Section

The value of Poisson's ratio for cast iron is in the range ofSimple Stress and Strain

A cylindrical bar of 25 mm diameter and 1.20 m length is subjected to a longitudinal strain during a tensile test is four times the lateral strain,…Simple Stress and Strain

Which one of the following statements is NOT correct?Simple Stress and Strain

A prismatic bar has a cross section of 25 mm × 50 mm and a length of 2 m. If the bar is subjected to an axial tensile force of 90 kN, the bar is…Simple Stress and Strain

The normal stress across the principal plane is known asPrincipal Stresses and Strains

If the principal stresses at a point in an elastic material are 2f tensile, 1.5f tensile and f compressive. What is the value of f at failure using…Theories of Failure

Consider the following statements related to maximum shear stress theory (Guest's theory): 1.This theory is well justified for ductile materials.…Theories of Failure

Which one of the following statements is correct for an isotropic material?Simple Stress and Strain

A body is loaded elastically so that strain in y-direction (e_y) = 0 and σ_z = 0. Take σ_x and σ_y as finite. What is the value of strain in…Simple Stress and Strain

What are the three stress invariants (in MPa) respectively in a body under the stress states of σ_x = 10, σ_y = 8, σ_z = -5, τ_yz = τ_zy = 5, τ_zx =…Principal Stresses and Strains

A cantilever beam of 4 m span carries three point loads of 1 kN, 2 kN and 2 kN at 2 m, 3 m and 4 m from the fixed end respectively. What is the…Shear Force and Bending Moment

A simply supported beam of 9 m span carries a point load of 30 kN at 2 m from the left end of the support. It also carries a UDL of 12 kN/m over 4 m…Shear Force and Bending Moment

What is the ratio of elongation of a rectangular bar due to self-weight to the elongation if total weight of the bar is applied at its end?Elongation Due to Self-Weight

The stresses on two perpendicular planes through a point are 60 N/mm² tension, 40 N/mm² compression and 30 N/mm² shear. What is the absolute normal…Principal Stresses and Strains

Which one of the following statements is correct?Shear Force and Bending Moment