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. *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 2 / 50 2. The relation between deflection (y) and bending moment (M) is a) M = EI(dy/dx) b) M =-EI(d²y/dx²) c) M = EI(d²y/dx] d) none of the above 3 / 50 3. "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 4 / 50 4. 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 5 / 50 5. 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 6 / 50 6. 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 7 / 50 7. The moment of inertia of a square section is given by a) I = b^4/12 b) I = b^3/12 c) I = b^4 d) I = b^4/3 8 / 50 8. *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 9 / 50 9. An isotropic material has a) elastic mass b) homogeneous mass c) elastoplastic mass d) none of the above 10 / 50 10. 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 11 / 50 11. According to Hook's law, which one is correct? a) σ=E b) σE=1 c) σ = Εε d) all of the above 12 / 50 12. 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 13 / 50 13. Maximum bending moment occurs at the center if the simply supported beam is subjected to a) point load of center b) uniformly distributed load throughout the span c) triangular load with maximum intensity at the center d) all of the above 14 / 50 14. 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 15 / 50 15. How does Young's Modulus vary with an increase in temperature? a) will increase b) will not be affected c) will decrease d) impossible to predict 16 / 50 16. *Proof resilience is the greatest stored energy at a) limit of proportionality b) elastic limit c) plastic limit d) yield point 17 / 50 17. 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 18 / 50 18. *The property of a material by which a body returns to its original shape after removal of the force is called a) plasticity b) elasticity c) ductility d) malleability 19 / 50 19. 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 20 / 50 20. If the Poisson's ratio of a material is 0.25, the ratio of Modulus of Rigidity to the Young's Modulus is a) 2 b) 0.4 c) 2.5 d) 4 21 / 50 21. 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 22 / 50 22. 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 23 / 50 23. *Load required to produce unit deflection is called a) stiffness b) ductility c) elasticity d) malleability 24 / 50 24. 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 25 / 50 25. *The rate of change of shear force is called a) bending moment b) slope c) deflection d) intensity of load 26 / 50 26. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is a) 1/6 b) 1/5 c) 1/4 d) 1/3 27 / 50 27. The stress due to temperature change in a member depends on a) cross-section of the member b) length of the member c) supporting end conditions d) none of the above 28 / 50 28. *The shear flow in a section can be defined as a) total shear stress b) flow direction of shear c) total shear stress at a point d) none of the above 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. *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. 31 / 50 31. Shear strain is defined as a) change in the angle between planes at right angles b) distortion of fiber c) change in angle between two angles d) strain that normally occurs 32 / 50 32. 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 33 / 50 33. 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 34 / 50 34. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 35 / 50 35. The maximum bending moment caused by a large number of equally spaced identical loads on a simply supported beam is (W = wL) a) WL/6 b) WL/8 c) WL/16 d) WL/2y 36 / 50 36. Along the neutral axis of a simply supported beam a) fibers do not undergo strain b) fibers undergo very little strain c) the fibers are subjected to maximum stress d) none of the above 37 / 50 37. 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 38 / 50 38. The difference between SF values at any two sections will be equal to a) the area of bending moment between the two sections b) the difference between the slopes of the curve of the loading diagram at two sections c) the ordinate of shear force diagram at one section plus the slope of the loading diagram multiplied by the distance between two sections d) the area of the loading diagram between those two sections 39 / 50 39. 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 40 / 50 40. 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 41 / 50 41. The maximum bending moment caused by a moving load on a fixed-end beam occurs a) at the support b) under the load c) at mid span d) none of the above 42 / 50 42. A Prismatic bar when subjected to pure bending assumes the shape of a) catenary b) parabola c) cubic parabola d) arc of a circle 43 / 50 43. The moment of inertia of an area will be least with respect to a) central axis b) horizontal axis c) vertical axis d) none of the above 44 / 50 44. 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 45 / 50 45. 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 46 / 50 46. 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 47 / 50 47. Bending moment diagram of simply supported beam with a point load at the centre of the span is a) parabola b) triangular c) rectangle d) diagonal 48 / 50 48. *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 49 / 50 49. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2) a) M b) Ma/L c) M(L-a)/L d) ML/a 50 / 50 50. 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 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