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. What is strain energy? a) stress x strain b) volume x stress x strain c) energy that is spent for straining a body d) energy stored in a body because of being strained 2 / 50 2. 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 3 / 50 3. 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 4 / 50 4. Which of the following materials will have the highest Young's Modulus? a) brass b) timber c) mild steel d) copper 5 / 50 5. The shear force on a beam is proportional to a) curvature of the axis b) displacement of the axis c) sum of the forces d) sum of the transverse forces 6 / 50 6. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity) a) WL^3 / 8EI b) WL^2 / 5EI c) WL^3 / 3EI d) 3WL^3 / 2EI 7 / 50 7. A body having similar properties throughout a) homogeneous b) isomorphic c) isotropic d) anisotropy 8 / 50 8. 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 9 / 50 9. 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 10 / 50 10. 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 11 / 50 11. 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 12 / 50 12. A viscoelastic material a) is an elastic material b) has a small plastic zone c) has a time-dependent stress-strain relation d) has a viscous surface 13 / 50 13. 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 14 / 50 14. The shear center in the case of a T-beam section is a) at the C.G. of the section b) at the neutral axis of the section c) on the C.G. horizontal plane and away from C.G. within the leg projections d) none of the above 15 / 50 15. *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 16 / 50 16. 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 17 / 50 17. The c.g. of a semi-circular arc is a) r/π b) r/2π c) r/3π d) 2r/π 18 / 50 18. *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 19 / 50 19. 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 20 / 50 20. The property of material by which it can be beaten or rolled into plates is called a) malleability b) ductility c) plasticity d) elasticity 21 / 50 21. *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 22 / 50 22. Moment of inertia of a rectangular beam bxd is a) bd^3/12 b) bd^3/6 c) db^3/12 d) db^3/6 23 / 50 23. *Which of the following sections is the most efficient in carrying bending moments a) rectangular section b) circular section c) I-section d) T-section 24 / 50 24. *Hooke's law holds good up to: a) Yield point b) Plastic limit c) Elastic limit d) Breaking point 25 / 50 25. 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 26 / 50 26. The section modulus of a rectangular section is proportional to a) area of the section b) square of the area of the section c) product of the area & depth d) half moment of inertia of the section 27 / 50 27. Point of contraflexure is a point where bending moment a) minimum b) maximum c) zero d) changes sign 28 / 50 28. 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 29 / 50 29. 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 30 / 50 30. *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 31 / 50 31. *The law "Stress is proportional to strain within certain limits" is formulated by a) Thomas Youngs b) Poisson c) Mohr d) Robert Hook 32 / 50 32. 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 33 / 50 33. The slope of the curve of S.F. diagram at any section will be equal to a) the slope of loading at that section b) the ordinate of loading diagram at that section c) the area of loading diagram from end to that section d) the bending moment at that section 34 / 50 34. *A tie is a member which a) is subjected axial compression only b) is subjected axial tension only c) is subjected moment tension only d) is subjected two equal and opposite forces. 35 / 50 35. *Toughness is a) the ability to absorb energy during plastic deformation b) higher ultimate strength c) stress at field d) strain energy at field 36 / 50 36. 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 37 / 50 37. 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 38 / 50 38. 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 39 / 50 39. 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 40 / 50 40. A brittle material has a) no plastic zone b) no inelastic zone c) a very little plastic zone d) a large plastic zone 41 / 50 41. 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 42 / 50 42. *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 43 / 50 43. *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 44 / 50 44. 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 45 / 50 45. The safe value of stress below which the material will not fail when subjected to a reversal of stress is known as a) endurance limit b) fatigue stress c) tolerance limit d) elastic limit 46 / 50 46. *Which of the following is dimensionless? a) bulk modulus b) strain c) shear stress d) none of the above 47 / 50 47. *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 48 / 50 48. The moment of inertia of a rectangular (Bx D) section about its base is a) BD^3/12 b) DB^3/12 c) BD^3/3 d) DB^3/3 49 / 50 49. 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 50 / 50 50. *Bending moment diagram of a simply supported beam having a uniformly distributed load is a) rectangular b) parabolic c) triangular 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