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 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 c.g. of a semi-circular arc is a) r/π b) r/2π c) r/3π d) 2r/π 2 / 50 2. An isotropic material has a) elastic mass b) homogeneous mass c) elastoplastic mass d) none of the above 3 / 50 3. If y is the deflection of the beam, then shear force is a) y b) dy/dx c) d²y/dx² d) d^3y/dx² 4 / 50 4. 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 5 / 50 5. A column that fails primarily due to buckling is known as a) long column b) short column c) wear column d) medium column. 6 / 50 6. What is tenacity? a) ultimate strength in tension b) ultimate strength in compression c) ultimate shear strength d) ultimate impact strength 7 / 50 7. 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 8 / 50 8. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be a) rectangle b) triangle c) parabola d) cubic parabola 9 / 50 9. 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 10 / 50 10. For keeping the stress wholly permissible, the load may be applied to a circular column anywhere within a concentric circle of diameter a) d/2 b) d/3 c) d/4 d) d/5 11 / 50 11. "When a rectangular beam is loaded transversely the maximum compressive stress is developed on the : a) top layer b) bottom layer c) neutral axis d) every cross section 12 / 50 12. The section modulus of a circular section about an axis through its C.G. is a) πd^2/16 b) πd^3/32 c) πd^3/64 d) πd^2/64 13 / 50 13. 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 14 / 50 14. If α is the coefficient of linear expansion, T is the rise in temperature, then thermal stress is given by a) ETα b) ET/α c) Eα/T d) Tα/E 15 / 50 15. 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 16 / 50 16. *As the elastic limit reaches, tensile strain a) decreases more rapidly b) increases more rapidly c) decreases in proportion to the stress d) increases in proportion to the stress 17 / 50 17. 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 18 / 50 18. The number of reaction components at a hinge on rollers support is a) 1 b) 2 c) 4 19 / 50 19. 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 20 / 50 20. *The rate of change of shear force is called a) bending moment b) slope c) deflection d) intensity of load 21 / 50 21. 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 22 / 50 22. *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 23 / 50 23. *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 24 / 50 24. The impact tests are used to determine a) ultimate crushing strength b) toughness c) ductility d) tenacity 25 / 50 25. *Proof resilience is the greatest stored energy at a) limit of proportionality b) elastic limit c) plastic limit d) yield point 26 / 50 26. *Stress may be defined as force a) volume b) length c) area d) none of the above 27 / 50 27. 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 28 / 50 28. The slope of the curve of S.F. diagram at any section will be equal to a) the slope of loading at that section b) the ordinate of loading diagram at that section c) the area of loading diagram from end to that section d) the bending moment at that section 29 / 50 29. *"If a rod is simultaneously pulled at both of its ends, it will be a case of: a) axial loading b) vertical loading c) horizontal loading d) none of these 30 / 50 30. The algebraic sum of the shear flow of a section in any direction must be equal to a) zero b) net shear force c) the shear force in that direction d) none of the above 31 / 50 31. *The maximum deflection of a simply supported beam subjected to a concentrated load (W) at the midpoint is a) WL^3 / 8EI b) WL^3 / 48EI c) 5WL^3 / 48EI d) none of the above 32 / 50 32. Buckling load for a given column depends upon a) length of the column only b) least lateral dimension only c) both length and least lateral dimension d) none of the above 33 / 50 33. 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 34 / 50 34. The diagram showing the variation of BM along the span of the beam is called a) BMD b) SFD c) thrust diagram d) all of the above 35 / 50 35. *The inclined member carrying compressive load in the case of frames and trusses is a) Post b) stanchion c) strut d) column 36 / 50 36. *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 37 / 50 37. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m a) 10 kN-m b) 20 kN-m c) 30 kN-m d) 40 kN-m 38 / 50 38. Permanent set is a) the force that acts permanently on the body b) irrecoverable deformation in the body c) the shape of the member just after the completion of construction d) the ratio of Poisson's ratio to Young's modulus 39 / 50 39. The bending moment acting on the plane of an element will cause the following type of stress on the plane a) normal stress b) tension stress c) axial stress d) transverse shear stress 40 / 50 40. *Maximum deflection of a simply supported beam subjected to concentrated load (w) at the mid-point is a) wL^3 / 8EI b) wL^3 / 48EI c) 5wL^3 / 48EI d) none of the above 41 / 50 41. *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 42 / 50 42. *Which of the following is dimensionless? a) bulk modulus b) strain c) shear stress d) none of the above 43 / 50 43. The variation of the bending moment in the portion of the beam carrying a linearly varying load is a) linear b) parabolic c) cubic d) deflection is zero 44 / 50 44. 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 45 / 50 45. 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 46 / 50 46. *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 47 / 50 47. *"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 48 / 50 48. 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 49 / 50 49. *Tensile internal force tends to: a) crush the member b) elongate the member c) shorten the member d) smash the member 50 / 50 50. 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 Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 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 Share the above MCQs:Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on X (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)
