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. *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 2 / 50 2. *Stress may be defined as force a) volume b) length c) area d) none of the above 3 / 50 3. Point of contraflexure is a point where bending moment a) minimum b) maximum c) zero d) changes sign 4 / 50 4. 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 5 / 50 5. The strain energy stored by a member when strained within the elastic limit is known as a) resilience b) proof resilience c) potential strain d) none of the above 6 / 50 6. Which of the following is a relatively ductile material? a) cast iron b) wrought iron c) mild steel d) bronze 7 / 50 7. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity) a) 3WL^3 / 2EI b) WL^3 / 8EI c) WL^3 / 5EI d) WL^3 / 3EI 8 / 50 8. *The amount of shear force at the maximum bending moment a) all of the above b) minimum c) medium d) maximum 9 / 50 9. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to a) two concentrated loads spaced at points b) a couple at mid span c) a uniformly distributed load d) none of the above 10 / 50 10. *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 11 / 50 11. 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 12 / 50 12. *The rate of change of shear force is called a) bending moment b) slope c) deflection d) intensity of load 13 / 50 13. The number of points of contraflexture in a simply supported beam carrying udl is a) 1 b) 2 c) 3 14 / 50 14. 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 15 / 50 15. 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 16 / 50 16. 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 17 / 50 17. 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 18 / 50 18. The number of reaction components at a hinge on rollers support is a) 1 b) 2 c) 4 19 / 50 19. 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 20 / 50 20. 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 21 / 50 21. The slope of the curve of B.M. diagram at any section will be equal to a) the slope of loading at that section b) the slope of shear force diagram at that section c) the ordinate of shear force diagram at that section d) the area of shear force diagram starting from any one end 22 / 50 22. 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 23 / 50 23. 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 24 / 50 24. 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 25 / 50 25. 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 26 / 50 26. *Dead load of a member is the a) one that remains constant b) one that occurs due to the dead body c) one that comes all of a sudden d) one that comes due to the self-weight of the object 27 / 50 27. *A point where SF is zero, BM is a) maximum b) minimum c) either maximum or minimum d) none of the above 28 / 50 28. *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 29 / 50 29. 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 30 / 50 30. *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 31 / 50 31. *Thrust is induced in the case of a) vertical load b) inclined load c) vertical & inclined load d) none of the above 32 / 50 32. *The velocity of a moving body is: a) A vector quantity b) A scalar quantity c) A constant quantity d) None of the above 33 / 50 33. *As per the elastic theory of design, the factor of safety is the ratio of a) working stress to field stress b) yield stress to working stress c) ultimate stress to yield stress d) ultimate load to load at yield 34 / 50 34. *The variation of the bending moment in the segment of a beam where the load is uniformly distributed is a) linear b) parabolic c) cubic d) rectangular 35 / 50 35. The equivalent length of column fixed at one end and free at the other end is a) 2l b) 0.75l c) 1l d) 1.25l 36 / 50 36. Load carrying capacity of fixed beam is a) lesser than simply supported beam b) lesser than the cantilever beam c) greater than simply supported beam and cantilever beam d) all of the above 37 / 50 37. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 38 / 50 38. *Which of the following is dimensionless? a) bulk modulus b) strain c) shear stress d) none of the above 39 / 50 39. *The maximum bending moment caused by a moving load on a simply supported beam is a) at the support b) under the load c) at mid span d) none of the above 40 / 50 40. Which one is correct if the deflection of a beam is y a) θ = dy/dx b) dθ/dx = d²y/dx² c) M = EI/R d) all of the above 41 / 50 41. 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 42 / 50 42. 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 43 / 50 43. *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 44 / 50 44. 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 45 / 50 45. 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 46 / 50 46. *A beam is said to be loaded in pure bending when a) Bending moment is constant b) Bending moment is zero c) Bending moment is changing linearly d) Bending moment and shear force are changing linearly 47 / 50 47. Find the value of thrust, if the member (beam) is subjected to an inclined force having a magnitude of 5 kN and an inclination with the vertical of 30° a) 2.5 kN b) 5 kN c) 2.5 √3 kN d) 7.5 kN 48 / 50 48. 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 49 / 50 49. *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 50 / 50 50. 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 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