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 expression EI(d^4y/dx^4) at any section for a beam is equal to a) load intensity at the section b) shear force at the section c) BM at the section d) slope of the section 2 / 50 2. Rate of change of bending moment is equal to a) shear force b) slope c) deflection d) none of the above 3 / 50 3. 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 4 / 50 4. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as: a) Bernoulli's law b) yield stress c) Hooke's law d) Poisson's law 5 / 50 5. *A point where SF is zero, BM is a) maximum b) minimum c) either maximum or minimum d) none of the above 6 / 50 6. *The relation between the radius of curvature (R), bending moment (M), and flexural rigidity (EI) is given by a) M = EI/R b) M = E/IR c) EI = R/M d) MI/R = E 7 / 50 7. *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 8 / 50 8. Shape of the bending moment diagram for a simply supported beam having a point load at the center is a) parabolic b) square c) rectangular d) triangular 9 / 50 9. In rectangular column having cross section b X h, the core is a) rectangle of lengths b/2 and h/2 b) square of lengths b/2 c) rhombus of lengths h/2 d) rhombus of diagonals b/3 and h/3 10 / 50 10. *Find the maximum bending moment in a simply supported beam loaded with a UDL of 2 t/m having a span of 4m a) 2 t-m b) 4 t-m c) 6 t-m d) 8 t-m 11 / 50 11. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 12 / 50 12. *The velocity of a moving body is: a) A vector quantity b) A scalar quantity c) A constant quantity d) None of the above 13 / 50 13. 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 14 / 50 14. Euler's formula for a column of length 1, with one end fixed and other hinged is a) P= 2π^2EI/l^2 b) P = π^2EI/4l^2 c) P= 4π^2EI/l^2 d) none of the above 15 / 50 15. 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 16 / 50 16. *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 17 / 50 17. 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 18 / 50 18. *The amount of shear force at the maximum bending moment a) all of the above b) minimum c) medium d) maximum 19 / 50 19. *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 20 / 50 20. The number of reaction components at a hinged end of a general loading is a) 1 b) 2 c) 3 d) 4 21 / 50 21. 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 22 / 50 22. If the length of a simply supported beam carrying a concentrated load at the center is doubled, the deflection at the center will become a) two times b) four times c) eight times d) sixteen times 23 / 50 23. In an I section, almost all the shear force is taken by a) top flange b) web c) bottom flange d) none of the above 24 / 50 24. 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 25 / 50 25. The number of points of contraflexture in a simply supported beam carrying udl is a) 1 b) 2 c) 3 26 / 50 26. 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 27 / 50 27. *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 28 / 50 28. *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 29 / 50 29. The maximum shear stress will always occur at a) neutral axis b) top extreme fiber c) a fiber in the cross-section depending on configuration d) bottom extreme fiber 30 / 50 30. *The Young's Modulus of elasticity is defined as the ratio of stress & strain within the a) plastic limit b) all of the above c) yield limit d) elastic limit 31 / 50 31. *Stress may be defined as force a) volume b) length c) area d) none of the above 32 / 50 32. A section of a beam is said to be in pure bending if it is subjected to a) constant bending moment and constant shear force b) constant bending moment and zero shear force c) constant shear force and zero bending moment d) none of the above 33 / 50 33. *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 34 / 50 34. Find the maximum BM 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) 40 kN-m b) 50 kN-m c) 60 kN-m d) 70 kN-m 35 / 50 35. 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 36 / 50 36. *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 37 / 50 37. The reaction at end A of the beam shown is a) 9 kN b) 3 kN c) 18 kN d) zero 38 / 50 38. 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 39 / 50 39. The difference between BM values at any two sections will be equal to a) the area of SF diagram between those two sections b) the area of loading diagram between the two sections c) the area of loading diagram d) the area of bending moment between the two sections 40 / 50 40. *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 41 / 50 41. 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 42 / 50 42. 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 43 / 50 43. *A diagram that shows the variation of axial force a) BMD b) SFD c) thrust diagram d) stress diagram 44 / 50 44. 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 45 / 50 45. 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 46 / 50 46. *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 47 / 50 47. 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 48 / 50 48. *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 49 / 50 49. *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 50 / 50 50. 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 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