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. 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) 2 / 50 2. The crippling load for column of length 1, with one end fixed and the other end free is a) P = π^2EI/4l^2 b) P= π^2EI/l^2 c) P= 4π^2EI/l^2 d) P= π^2EI/l 3 / 50 3. *The product EI is called a) flexural rigidity b) torsional rigidity c) second moment of area d) none of the above 4 / 50 4. 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 5 / 50 5. *Toughness is a) the ability to absorb energy during plastic deformation b) higher ultimate strength c) stress at field d) strain energy at field 6 / 50 6. *The amount of shear force at the maximum bending moment a) all of the above b) minimum c) medium d) maximum 7 / 50 7. 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 8 / 50 8. 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 9 / 50 9. The actual breaking stress of a ductile material from a tension test will be a) greater than the ultimate strength b) equal to the ultimate strength c) equal to the nominal breaking stress d) less than the ultimate strength but greater than the nominal breaking stress 10 / 50 10. *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 11 / 50 11. 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 12 / 50 12. Which of the following is a relatively ductile material? a) cast iron b) wrought iron c) mild steel d) bronze 13 / 50 13. A body having similar properties throughout a) homogeneous b) isomorphic c) isotropic d) anisotropy 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. The region of c/s of a column in which compressive load may be applied without producing tensile load is known as a) core b) more c) compression area d) tension area 16 / 50 16. Point of contraflexure is a point where bending moment a) minimum b) maximum c) zero d) changes sign 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. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called a) yielding b) creeping c) breaking d) none of the above 19 / 50 19. 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 20 / 50 20. *Centre of gravity of a semi-circle is... above the base AB (Dia.) a) 2r/π b) 4r/3π c) r/8 d) r/4 21 / 50 21. *Proof resilience is the greatest stored energy at a) limit of proportionality b) elastic limit c) plastic limit d) yield point 22 / 50 22. *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 23 / 50 23. 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 24 / 50 24. *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 25 / 50 25. 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 26 / 50 26. *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 27 / 50 27. 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 28 / 50 28. 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 29 / 50 29. The diagram showing the variation of axial load along the span is called a) thrust diagram b) shear force diagram c) bending moment diagram d) none of the above 30 / 50 30. A beam of uniform strength will have at every cross-section the same a) deflection b) stiffness c) BM d) bending stress 31 / 50 31. 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 32 / 50 32. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to: a) P b) P/2 c) P/4 d) P/8 33 / 50 33. A beam is supported over three rollers lying in the same plane. The beam is stable for a) any general loading b) loading with no component in the direction of the beam c) loading with no component perpendicular to the direction of the beam d) only when no load except self-weight acts. 34 / 50 34. 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 35 / 50 35. *Fatigue is the failure of a material under: a) constant loads but occasionally well above static load b) varying loads, well below ultimate static load c) constant loads well below ultimate static load d) varying loads well above ultimate static load 36 / 50 36. According to Hook's law, which one is correct? a) σ=E b) σE=1 c) σ = Εε d) all of the above 37 / 50 37. Find the slenderness ratio of the column of M.I. = 10000cm4, Area =100cm^2 & effective length =3.0m a) 3 b) 30 c) 4 d) 40 38 / 50 38. *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 39 / 50 39. *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 40 / 50 40. *The shear force and bending moment are related by a) V = M/Z b) V = MY/I c) V = dM/dx d) V = Mdx 41 / 50 41. The limit of proportionality depends upon a) area of cross-section b) types of loading c) types of material d) none of the above 42 / 50 42. The maximum bending moment in a simply supported beam loaded with a UDL of w/m having span l is a) wl^2/2 b) wl^2/4 c) wl^2/8 d) wl^2/16 43 / 50 43. In a beam, the neutral plane a) may be at its centre b) passes through the c.g. of the area of c/s c) does not change during deformation d) none of the above 44 / 50 44. *The inclined member carrying compressive load in the case of frames and trusses is a) Post b) stanchion c) strut d) column 45 / 50 45. 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 46 / 50 46. 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 47 / 50 47. The number of reaction components at a hinge on rollers support is a) 1 b) 2 c) 4 48 / 50 48. A column that fails primarily due to direct stress is called a) long column b) short column c) weak column d) none of the above 49 / 50 49. *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 50 / 50 50. The beam strongest in flexure will have the maximum a) moment of inertia b) section modulus c) area of cross-section d) none 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