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. 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 2 / 50 2. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 3 / 50 3. A beam fixed at both ends with a central load W in the middle will have zero bending moment a) at one place b) at two places c) at three places d) none of the above 4 / 50 4. Which of the following is a relatively ductile material? a) cast iron b) wrought iron c) mild steel d) bronze 5 / 50 5. 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 6 / 50 6. 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 7 / 50 7. The section modulus of a rectangular section is proportional to a) area of the section b) square of the area of the section c) product of the area & depth d) half moment of inertia of the section 8 / 50 8. *A diagram that shows the variation of axial force a) BMD b) SFD c) thrust diagram d) stress diagram 9 / 50 9. *Toughness is a) the ability to absorb energy during plastic deformation b) higher ultimate strength c) stress at field d) strain energy at field 10 / 50 10. The maximum deflection of a beam occurs at a) zero shear force location b) zero slope location c) zero bending moment location d) none of the above 11 / 50 11. 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 12 / 50 12. Moment of inertia of a rectangular beam bxd is a) bd^3/12 b) bd^3/6 c) db^3/12 d) db^3/6 13 / 50 13. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is a) M = WL/4 b) M = WL/8 c) M = WL/12 d) M = WL/16 14 / 50 14. The reaction at end A of the beam shown is a) 9 kN b) 3 kN c) 18 kN d) zero 15 / 50 15. Normally, the numerical value of Poisson's is a) 0.3 for steel b) 0.15 for concrete c) both (a) and (b) of the above d) none of the above 16 / 50 16. *Tensile internal force tends to: a) crush the member b) elongate the member c) shorten the member d) smash the member 17 / 50 17. The shear center may be defined as a) the point through which the resultant of the shear stress pass b) the point about which the moment of shear flow is zero c) the center of gravity of the section d) none of the above 18 / 50 18. *A cable subjected to U.D.L. over its entire span assumes a shape of a) semi-circle b) an isosceles triangle c) parabola d) none of the above 19 / 50 19. For a column of given material, the Rankine's constant depends on a) length of the column. b) diameter of column c) moment of inertia of column d) none of the above 20 / 50 20. *Mathematically, strain may be defined as a) the deformation per unit volume b) the deformation per unit area c) the deformation per unit length d) all of the above 21 / 50 21. The maximum number of transverse shear forces possible at one end of an element of a plane truss are a) zero b) one c) two d) three 22 / 50 22. *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 23 / 50 23. *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 24 / 50 24. Longitudinal cracks observed in timber beams are due to a) high bending stresses b) application of concentrated loads over the beam c) shear failure between the layers d) timber not being in compression 25 / 50 25. 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 26 / 50 26. 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 27 / 50 27. 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 28 / 50 28. 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 29 / 50 29. If y is the deflection of the beam, then shear force is a) y b) dy/dx c) d²y/dx² d) d^3y/dx² 30 / 50 30. *Normal strain is defined as a) rate of change of length b) strain that normally occurs c) strain that is normal to shear strain d) deformation normal to the force 31 / 50 31. The safe value of stress below which the material will not fail when subjected to a reversal of stress is known as a) endurance limit b) fatigue stress c) tolerance limit d) elastic limit 32 / 50 32. The rate of change of shear force is called a) BM b) point load c) intensity of load d) slope 33 / 50 33. The maximum number of transverse shear forces possible at one end of an element of a plane frame are a) zero b) one c) two d) three 34 / 50 34. An isotropic material has a) elastic mass b) homogeneous mass c) elastoplastic mass d) none of the above 35 / 50 35. If the elasticity of the material is zero then the material is said to be a) rigid b) perfect c) plastic d) all of the above 36 / 50 36. A cantilever beam is one which is: a) Fixed at both ends b) Fixed at one end and free at other end c) Supported at its ends d) Supported on more than two supports 37 / 50 37. For a column, with both ends fixed, the crippling load will be equal to a) 2P b) 4P c) P/8 d) P/16 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. *The shear force and bending moment are related by a) V = M/Z b) V = MY/I c) V = dM/dx d) V = Mdx 40 / 50 40. 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 41 / 50 41. The radius of gyration of a rectangular section is not proportional to a) the square root of the moment of inertia b) the square root of the inverse of the area c) the square root of the moment of inertia divided by the area of the section d) none of the above 42 / 50 42. Which of the following gives Poisson's ratio? a) ratio of linear stress to linear strain b) ratio of shear stress to shear strain c) ratio of lateral strain to longitudinal strain d) ratio of the normal stress 43 / 50 43. *Determinate beam can be analyzed with the help of a) two equations of statics b) three equations of statics c) four equations of statics d) five equations of statics 44 / 50 44. 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) 45 / 50 45. Find the maximum SF induced in S.S beam if the beam is subjected to a point load of 4 KN at the center of the beam and the span of the beam is 4 m a) 1 KN b) 2 KN c) 4 KN d) 8 KN-m 46 / 50 46. 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 47 / 50 47. 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 48 / 50 48. 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 49 / 50 49. 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 50 / 50 50. At the point of application of concentrated load on a beam, there is a) maximum BM b) sudden change in the slope of BM c) point of contraflexture d) maximum deflection 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. 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