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. If magnitude and direction of a load does not change with respect to time, this type of load is called a) point load b) static load c) dynamic load d) wind load 2 / 50 2. *Thrust is induced in the case of a) vertical load b) inclined load c) vertical & inclined load d) none of the above 3 / 50 3. The brittle materials have low toughness because they a) have large plastic deformation before failure b) have small plastic deformation before failure c) have no plastic deformation before failure d) can absorb impact load also 4 / 50 4. 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 5 / 50 5. The bending moment in a cable carrying a system of loads will be a) zero at all point b) minimum at the center c) maximum at the center d) none of the above 6 / 50 6. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar becomes a) zero b) infinite c) maximum d) minimum 7 / 50 7. *Proof resilience is the greatest stored energy at a) limit of proportionality b) elastic limit c) plastic limit d) yield point 8 / 50 8. 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 9 / 50 9. Find the value of thrust, if the member (beam) is subjected to an inclined force having a magnitude of 5 kN and an inclination with the vertical of 30° a) 2.5 kN b) 5 kN c) 2.5 √3 kN d) 7.5 kN 10 / 50 10. *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 11 / 50 11. *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 12 / 50 12. The value of buckling load is ... than the crushing load in the case of a long column a) less b) more c) equal d) none of the above 13 / 50 13. The variation of the bending moment in the segment of a beam where no external load is present is a) linear b) parabolic c) cubic d) rectangular 14 / 50 14. *Maximum bending moment occurs where a) shear force is maximum b) shear force is less than one c) shear force changes sign d) deflection is zero 15 / 50 15. 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 16 / 50 16. *The ratio of the intensity of stress in a case of a suddenly loaded to that of gradually applied load is a) same b) half c) twice d) thrice 17 / 50 17. The ratio of moment of inertia of a square section to that of a circular section for a given depth is given by a) <1 b) >1 c) 1 d) none of the above 18 / 50 18. 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 19 / 50 19. *In the case of a fixed beam loaded at a point at its center, the number of points at which BM is zero a) 1 b) 2 c) 3 d) 4 20 / 50 20. *The maximum bending moment caused by a moving load on a simply supported beam is a) at the support b) under the load c) at mid span d) none of the above 21 / 50 21. *In a simply supported beam subjected to a point load at the center, the maximum bending moment occurs at a) left end b) right end c) center d) none of the above 22 / 50 22. *The forces which meet at one point, but their lines of action do not lie in a plane, are called: a) co-planer non-concurrent forces b) non-coplanar concurrent forces c) non-coplanar non-concurrent forces d) none of the above 23 / 50 23. The strain energy stored by a member when strained within the elastic limit is known as a) resilience b) proof resilience c) potential strain d) none of the above 24 / 50 24. Find the elongation of a bar if c/s area of the bar is A, length 1, applied load p, modulus of elasticity of material is E a) PI/AE b) AE/PI c) PA/IE d) PE/AI 25 / 50 25. The moment of inertia of a triangular section b x h about the c-g is a) bh^3 / 12 b) bh^3 / 18 c) bh^3/36 d) all of the above 26 / 50 26. *If the shear force along a section of a beam is zero, the bending moment at the section is: a) zero b) maximum c) minimum d) average of maximum-minimum 27 / 50 27. The limit of proportionality depends upon a) area of cross-section b) types of loading c) types of material d) none of the above 28 / 50 28. *The rate of change of shear force is called a) bending moment b) slope c) deflection d) intensity of load 29 / 50 29. *The simple bending equation is a) M/y = σ/I = E/R b) M/I = σ/y = E/R c) M/R = σ/y = E/R d) none of the above 30 / 50 30. The method of increasing fatigue resistance by overstressing the metal by successively increasing the loading is known as a) compounding b) coaxing c) relaxing d) enduring 31 / 50 31. *In a simply supported beam with span (L) having a triangular load with its intensity 0 at both ends and W at center. The maximum BM will be a) WL/2 b) WL/2 c) WL^2/12 d) WL/9 32 / 50 32. A viscoelastic material a) is an elastic material b) has a small plastic zone c) has a time-dependent stress-strain relation d) has a viscous surface 33 / 50 33. The shear force on a beam and the displacement are related by a) V = EI(d^2y/dx^2) b) V = EI(d^3y/dx^2) c) V = EI(d^3y/dx^3) d) none of the above 34 / 50 34. In a simply supported beam with span, L subjected to a point load, W at the center. Find the maximum bending moment induced in the beam a) WL/2 b) WL/3 c) WL/4 d) WL/8 35 / 50 35. *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 36 / 50 36. Identify the correct relationship that exists among the modulus of elasticity (E), modulus of rigidity (N), and bulk modulus (k) is a) E= 3K+N/9KN b) E= 3KN/3K+N c) E= 9KN/3K+N d) E= K/N 37 / 50 37. A cantilever beam of span 4m and carrying a point load of 10 kN located at 3m from the fixed end. Find the BM at the fixed and free end a) 30 kN-m, 0 b) 30 kN-m, 10 kN-m c) 10 kN-m, 30 kN-m d) none of the above 38 / 50 38. The shear force on a beam is proportional to a) curvature of the axis b) displacement of the axis c) sum of the forces d) sum of the transverse forces 39 / 50 39. 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 40 / 50 40. *BM in a cantilever beam having a span of 1.8m and a uniformly distributed load of 4kg/m a) 4.48 kg-m b) 5.48 kg-m c) 6.48 kg-m d) none of the above 41 / 50 41. *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 42 / 50 42. *Which of the following gives Modulus of Elasticity 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 43 / 50 43. *A beam is said to be of uniform strength if a) bending moment is the same throughout the beam b) deflection is the same throughout the beam c) bending stress is the same throughout the beam d) none of the above 44 / 50 44. Centrifugal force acts away from the center of the path while centripetal force a) does not act b) away from the center of the path c) towards the center of the path d) all of the above 45 / 50 45. The moment of inertia of a triangular section b x h about the base is a) bh^3/12 b) bh^3/18 c) bh^3/36 d) all of the above 46 / 50 46. 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 47 / 50 47. *Moment of inertia of an object having rectangular section of 'b' as width and 'd' as depth is given by: a) bd^3/12 b) bd^2/24 c) b^2d^2/12 d) db^3/24 48 / 50 48. An orthotropic material has a) inelastic properties b) non-homogeneous properties c) the same properties in an orthogonal direction d) different properties in three perpendicular directions 49 / 50 49. *Hooke's law holds good up to: a) Yield point b) Plastic limit c) Elastic limit d) Breaking point 50 / 50 50. 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 Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score isShare your achievement! 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