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 number of points of contraflexture in a simply supported beam carrying udl is a) 1 b) 2 c) 3 2 / 50 2. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called a) breaking point b) plastic point c) yielding point d) elastic point 3 / 50 3. *A point where SF is zero, BM is a) maximum b) minimum c) either maximum or minimum d) none of the above 4 / 50 4. *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 5 / 50 5. 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 6 / 50 6. If y is the deflection of the beam, then shear force is a) y b) dy/dx c) d²y/dx² d) d^3y/dx² 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. 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 9 / 50 9. *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 10 / 50 10. The number of reaction components at a hinge on rollers support is a) 1 b) 2 c) 4 11 / 50 11. *The forces which meet at one point, but their lines of action do not lie in a plane, are called: a) co-planer non-concurrent forces b) non-coplanar concurrent forces c) non-coplanar non-concurrent forces d) none of the above 12 / 50 12. *Stress may be defined as force a) volume b) length c) area d) none of the above 13 / 50 13. *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 14 / 50 14. 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 15 / 50 15. 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 16 / 50 16. 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 17 / 50 17. The difference in ordinate of the shear force between any two sections is equal to the area under a) shear curve between these two sections b) load curve between these two sections c) bending moment curve between these two sections d) load curve between these two sections plus concentrated load applied between the sections 18 / 50 18. 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 19 / 50 19. *The tension in a cable supporting a lift a) is more when the lift is moving downwards b) is less when the lift is moving upwards c) Remains constant whether it moves downwards or upwards d) is less when the lift is moving downwards 20 / 50 20. 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 21 / 50 21. 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 22 / 50 22. 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 23 / 50 23. If all the dimensions of a bar are increased in the proportion n:1, the proportion with which the maximum stress produced in the prismatic bar by its own weight will increase in the ratio a) 1:n b) n:1 c) 1:1/n d) 1/n:1 24 / 50 24. A perfectly elastic body is a) that body which recovers its original shape completely after the removal of force b) a body of such a material with a lot of extensibility c) a body made of rubber only d) a body whose cross-sectional dimensions are very small 25 / 50 25. 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 26 / 50 26. *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 27 / 50 27. 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 28 / 50 28. 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 29 / 50 29. 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 30 / 50 30. 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 31 / 50 31. *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 32 / 50 32. Which of the following materials will have the highest Young's Modulus? a) brass b) timber c) mild steel d) copper 33 / 50 33. 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 34 / 50 34. *A diagram that shows the variation of axial force a) BMD b) SFD c) thrust diagram d) stress diagram 35 / 50 35. 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 36 / 50 36. 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 37 / 50 37. *The centre of gravity of a triangle is at the point where three a) medians of the triangle meet b) perpendicular bisectors of the sides of the triangle meet c) bisectors of the angle of the triangle meet d) none of these 38 / 50 38. Rate of change of bending moment is equal to a) shear force b) slope c) deflection d) none of the above 39 / 50 39. *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 40 / 50 40. *The compression test is commonly used for testing a) ductile materials b) rubber c) brittle materials d) none of the above 41 / 50 41. Point of contraflexure is a point where bending moment a) minimum b) maximum c) zero d) changes sign 42 / 50 42. 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 43 / 50 43. Shear force diagram for a cantilever carrying a UDL over its whole length is a) rectangle b) triangle c) parabola d) cubic parabola 44 / 50 44. The effective length of a column if both ends are hinged a) L b) 0.5L c) 2L d) 4L 45 / 50 45. According to Hook's law, which one is correct? a) σ=E b) σE=1 c) σ = Εε d) all of the above 46 / 50 46. An isotropic material has a) elastic mass b) homogeneous mass c) elastoplastic mass d) none of the above 47 / 50 47. A Prismatic bar when subjected to pure bending assumes the shape of a) catenary b) parabola c) cubic parabola d) arc of a circle 48 / 50 48. *Stress in a beam due to simple bending is a) inversely proportional b) directly proportional c) curvilinear related d) all of the above 49 / 50 49. *BM in a cantilever beam having a span of 1.8m and a uniformly distributed load of 4kg/m a) 4.48 kg-m b) 5.48 kg-m c) 6.48 kg-m d) none of the above 50 / 50 50. 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 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