Home» Online Test » Civil Engineering » Mechanics of Materials & Structures Online Test » Paper 1 » Paper 2 » Paper 3 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This is a FREE online test. Beware of scammers who ask for money to attend this test. Get fresh, new questions in each attempt. Total Questions: 50 Time Allotted: 50 minutes Passing Score: 70% Randomization: Yes Certificate: Yes Do not refresh the page! 👍 All the best! 1 / 50 1. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of a) 1/√3 from the left end b) 1/3 from left end c) 1/√3 from the right end d) 1/3 from the right end 2 / 50 2. *Compression members always tend to buckle in the direction of the a) parallel to the axis of the load b) perpendicular to the axis of the load c) least radius of gyration d) least cross-section 3 / 50 3. For a beam of uniform strength if its depth is maintained constant then its width will vary in proportion to a) bending moment b) (B.M)^2 c) (B.M)^3 d) (B.M) 4 / 50 4. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called a) elastic limit b) plastic limit c) breaking point d) yielding point 5 / 50 5. *Bending moment diagram of a simply supported beam having a uniformly distributed load is a) rectangular b) parabolic c) triangular d) all of the above 6 / 50 6. *A point where SF is zero, BM is a) maximum b) minimum c) either maximum or minimum d) none of the above 7 / 50 7. Find the maximum SF induced in a cantilever beam subjected to a point load of 10 KN and a length of the beam is 10 m. The load is located at a distance of 3 m from the free end a) 30 kN b) 7 kN c) 3 kN d) 10 kN 8 / 50 8. *Load required to produce unit deflection is called a) stiffness b) ductility c) elasticity d) malleability 9 / 50 9. The zone between the elastic limit and proportional limit on the elastic curve of an elastic material is known as a) linear elastic zone b) non-linear elastic zone c) plastic zone d) none of the above 10 / 50 10. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to a) two concentrated loads spaced at points b) a couple at mid span c) a uniformly distributed load d) none of the above 11 / 50 11. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity) a) 3WL^3 / 2EI b) WL^3 / 8EI c) WL^3 / 5EI d) WL^3 / 3EI 12 / 50 12. What is strain energy? a) stress x strain b) volume x stress x strain c) energy that is spent for straining a body d) energy stored in a body because of being strained 13 / 50 13. According to Hook's law, which one is correct? a) σ=E b) σE=1 c) σ = Εε d) all of the above 14 / 50 14. The number of reaction components at a hinged end of a general loading is a) 1 b) 2 c) 3 d) 4 15 / 50 15. A member that is subjected to reversible tensile or compressible stress may fail at a stress lower than the ultimate stress of the material. The property of the metal is called a) plasticity of the metal b) elasticity of the metal c) fatigue of the metal d) workability of the metal 16 / 50 16. *A beam is said to be loaded in pure bending when a) Bending moment is constant b) Bending moment is zero c) Bending moment is changing linearly d) Bending moment and shear force are changing linearly 17 / 50 17. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is a) WL^3 / 8EI b) WL^3 / 48EI c) 5WL^3 / 48EI d) 5WL^3 / 384EI 18 / 50 18. The effective length of a column if both ends are hinged a) L b) 0.5L c) 2L d) 4L 19 / 50 19. *The centre of gravity of a triangle is at the point where three a) medians of the triangle meet b) perpendicular bisectors of the sides of the triangle meet c) bisectors of the angle of the triangle meet d) none of these 20 / 50 20. If all the dimensions of a bar are increased in the proportion n:1, the proportion with which the maximum stress produced in the prismatic bar by its own weight will increase in the ratio a) 1:n b) n:1 c) 1:1/n d) 1/n:1 21 / 50 21. *If a beam is loaded transversely, the maximum compressive stress develops on a) top fiber b) neutral axis c) bottom fiber d) every cross-section 22 / 50 22. Which one is correct if the deflection of a beam is y a) θ = dy/dx b) dθ/dx = d²y/dx² c) M = EI/R d) all of the above 23 / 50 23. The square root of the ratio of moment of inertia and cross-section area of the member is known as a) least lateral dimension b) second moment of inertia c) radius of gyration d) section modulus 24 / 50 24. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that a) stress is proportional to strain at all sections b) strain is proportional to the distance from the neutral axis c) stress is uniform in the cross-section d) none of the above 25 / 50 25. The maximum bending moment caused on a simply supported beam subjected to two equal concentrated loads (W/2) spaced at an equal distance (L/3) over the span is a) WL/8 b) WL/6 c) WL/4 d) WL/2 26 / 50 26. In the case of an H section, the maximum shear stress will occur at a) top fibers b) neutral axis c) bottom fibers d) at the junction of web and flanges 27 / 50 27. *The shear force and bending moment are related by a) V = M/Z b) V = MY/I c) V = dM/dx d) V = Mdx 28 / 50 28. The equivalent length of column fixed at one end and free at the other end is a) 2l b) 0.75l c) 1l d) 1.25l 29 / 50 29. A perfectly elastic body is a) that body which recovers its original shape completely after the removal of force b) a body of such a material with a lot of extensibility c) a body made of rubber only d) a body whose cross-sectional dimensions are very small 30 / 50 30. In an I section, almost all the shear force is taken by a) top flange b) web c) bottom flange d) none of the above 31 / 50 31. Which of the following gives Modulus of Rigidity a) the ratio of linear stress to linear strain b) the ratio of shear stress to shear strain c) the ratio of lateral strain to longitudinal strain d) the ratio of the normal stress 32 / 50 32. A beam simply supported at ends is subjected to load. The maximum bending moment is located where a) shear force is zero b) shear force is maximum c) bending moment is zero d) axial thrust is zero 33 / 50 33. In a continuous beam, the point where bending moment changes sign is called a) point of inflection b) point of virtual hinge c) point of contraflexure d) all of the above 34 / 50 34. *A member which does not regain its original shape after the load producing deformation is removed, is said to be: a) plastic b) elastic c) rigid d) none of the above. 35 / 50 35. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called: a) compressive stress b) shear stress c) bending stress d) elastic modulus 36 / 50 36. *"A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment, M is: a) WL/2 b) WL/4 c) WL/8 d) WL/16 37 / 50 37. *If a cantilever beam of 8m long has a uniformly distributed load of 2KN/m throughout the length and a 10KN point load at the center of the beam, find the moment at the center: a) 8 KN-m b) 16 KN-m c) 32 KN-m d) 44 KN-m 38 / 50 38. *The shear force in a concrete beam is assumed to act a) along the longitudinal axis b) perpendicular to the longitudinal axis c) on a plane normal to the longitudinal axis d) vertically downward 39 / 50 39. The c.g. of a semi-circular arc is a) r/π b) r/2π c) r/3π d) 2r/π 40 / 50 40. Which of the following end conditions permits the displacement in any direction and also rotation a) fixed end b) hinge end c) free end d) roller end 41 / 50 41. The shear center in the case of a T-beam section is a) at the C.G. of the section b) at the neutral axis of the section c) on the C.G. horizontal plane and away from C.G. within the leg projections d) none of the above 42 / 50 42. *Young's modulus is the ratio of a) Volumetric stress/volumetric strain b) Lateral stress/lateral strain c) Longitudinal stress/ longitudinal strain d) Shear stress/ shear strain 43 / 50 43. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is a) incompressible b) compressible c) plastic d) visco elastic 44 / 50 44. *Which of the following gives Bulk Modulus? a) the ratio of linear stress to linear strain b) the ratio of shear stress to shear strain c) the ratio of lateral strain to longitudinal strain d) the ratio of the normal stress of equal magnitude on all six faces of a solid cube to the volumetric strain 45 / 50 45. Effective length of column fixed at one end and hinged at the other end is a) 1/2 b) 1/√2 c) 1l d) 1.25l 46 / 50 46. The moment of inertia of a rectangular (Bx D) section about its base is a) BD^3/12 b) DB^3/12 c) BD^3/3 d) DB^3/3 47 / 50 47. *The tension in a cable supporting a lift a) is more when the lift is moving downwards b) is less when the lift is moving upwards c) Remains constant whether it moves downwards or upwards d) is less when the lift is moving downwards 48 / 50 48. *The S.I. unit of the modulus of elasticity is a) N/cm^2 b) N/m^2 c) dyne/cm^2 d) none of the above 49 / 50 49. Load carrying capacity of fixed beam is a) lesser than simply supported beam b) lesser than the cantilever beam c) greater than simply supported beam and cantilever beam d) all of the above 50 / 50 50. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called a) compressive stress b) tensile stress c) shear stress d) longitudinal stress Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score isShare your achievement! LinkedIn Facebook 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Mechanics of Materials & Structures MCQ PDF for Offline Study